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yomo is here with us today um and yomo
will be uh talking about uh various
editors validations and parses and other
tools for both General and more specific
purposes yumo has been a contributor to
osm for a few years and has collected a
lot of experience and like some specific
tips and tricks learned during that time
um and off to the shark with the EET
cable
yo yes thanks for the introduction and
welcome to my talk titled how to become
an open street map Pro uh maybe let's
start with what not to expect so I won't
be giving uh a general osm introduction
I also won't go over basic tagging or
basic editor usage and also please don't
expect to be an open streetm Pro after
just watching this um but what you can
expect is some tips and some tricks that
I've learned over all the years I will
share some tools I will maybe show a
very few examples that can help you in
becoming an open suet map Pro um as I
have many slides and I have only 30
minutes of time so I will mention a lot
of tools and I can't walk you through
all of them in this presentation uh you
will have to look them up and try for
yourself what you like and what works
for you uh but I will upload the slides
after the talk and they will contain a
bunch of links that you can click on and
and you can find my contact info at the
end of the presentation uh so the first
thing I want to point out is that open
street map is despite its name not an
actual map uh but when people visit the
open street map website then it it looks
very similar to for example Google Maps
and so people just people keep comparing
it the the open street map website to
Google Maps and then they basically
think that open street map is what the
open street map website looks like uh
but that's not really a fair comparison
because the open street map website is
just a demo of what you could do with
the data and that's what open street map
is actually it's it's just a database
it's a data project and that's what
people often mistake and so that's why
I'm pointing it out um so let's start
right to into
editing um you're probably familiar with
this this the ID editor um might be
Briner but I really recommend checking
out all the keyboard shortcuts you can
uh find in in the ID editor and also go
through all the menus you find in ID and
discover all the features uh I really
recommend um spending that time and uh
discovering what you can enable and and
what might be helpful because they're
really are a lot of tools integrated
into ID already and if you remember the
keyboard shortcuts or at least know that
certain features exist um then this will
help a lot when editing the next thing
that's helpful when editing is um being
aware that the fields that ID um that ID
shows you when you're editing a feature
can be a bit
misleading because ID has a lot of uh
preset fields for many features but
these fields don't support all the
possible values that could be in there
and if I doesn't support it then it
might just not display it um and also
there could be variations of keys that
ID is not aware of uh so attributes may
appear missing although they are
actually in the in the actual TX which
you can find further down if you scroll
down a bit on in on the left side in ID
you can see it on the right here on my
screen um but uh yeah the tags are
really the the truth they are what
actually ends up in the database and you
should um you can use the fields if you
like them but you should always double
check with the tags and if you're not
familiar with a tag click on the info
button on the right and you might get
some info if you don't find info about
it try looking it up in the open street
map Wiki that's always a good thing to
do just always search the wiki what you
can also do if you want to find out
about tags is uh tag info which is uh a
website that has statistics on
popularity of open street map tags it
has all the values that are used
somewhere in the world for a specific
key and you can also find combinations
uh where this tag is for example very
often used with another tag and you can
also use overpass and try to find
features there and uh use them as an
example and what you can also do is for
some specific tags like opening hours or
traffic signs there are specific tools
um they are not buil into to ID but um
the you can find them and they help
because um they basically they they uh
help you in these somewhat more
complicated values for example you can
just click on the traffic signs that
you're seeing in the real world and this
will um will just the value that you
need to enter similar for the opening
hours um then in ID if you've ever tried
to split a building or any other type of
area you might notice that it basically
it results in a big mess because ID just
creates multi polygons uh where you end
up with it it actually splits the
building but then it it uh removes all
the tags from the value uh from from the
buildings and creates a new relation and
it's a bit messy and if you don't want
that you can trick ID a little bit uh
sorry a little bit by uh just changing
in the tag that causes ID to render it
as an as an area so for example the the
building tag you just add an underscore
something like that as you can see here
and then ID will actually render this as
a line and you can then split the line
and then you get two
ways uh you can close these ways and
change the tag back to an actual
building and that's how you how you end
up with uh a properly separate
a separate
building um then what also what's
sometimes annoying in ID is when you
have an intersection and you want to you
want to split only one way that's
Crossing this
intersection um when you select the node
and press X to split it it will it will
split all the ways connected to it and
if you don't want that you can actually
select multiple features in ID just
using the shift key you can select the
way and the node and then press X to
split it and then it will only split the
way that uh you want to
split um it works very similar when you
have multiple ways sharing an
intersection node and you want to
disconnect one R from the
intersection um then you basically end
up with two nodes at the same position
and the problem is ID will only allow
you to select the top node when you
click on it but you can then use the
lasso select mode and this will
basically select both the nodes at the
same position and on the left side you
can then just click on uh either note
that you want to move
away but now maybe let's talk about JM
uh I guess youve heard about it it's
pretty much the most advanced editor
available and it can be very
overwhelming at first when you when you
open it and I wouldn't recommend it to
to use JM when you just start using open
street map or or making your first edits
but um if you've been uh doing some open
street map contributions then um JM was
going to be very helpful especially if
you have uh if you enable Styles and
plugins and I go over that a little bit
so this is how JM looks like by default
uh this is the the default um rendering
for uh the open street map data the
default
style uh but there's also just as an
example this style that renders uh Road
Lanes including turn Lanes uh and here's
a style that renders cing infrastructure
and if I go back and forth you can see
it's the same intersection is the exact
same area just displayed using different
styles and this can be especially
helpful when you want to focus on uh one
one specific thing that you want to
edit then there's also other editors for
example this one is called rapid and
it's based on ID but it has some uh it
has some data sets included that uh have
features that were detected on aerial
imagery um for example this one is
somewhere in Africa where a lot of
buildings are missing but Microsoft has
a research project where they try to
detect buildings from satellite images
and they make this data set available
and now with this editor you can just
zoom in somewhere where you want to add
data and it gives you these suggestions
in pink and you just click on them and
then you can use them and you can upload
it um but this is also available in josm
U in general a lot of the things I'm
going to cover here are available in
josm either directly or via Plugin or
style or
something uh then there's osm in edit
sorry which is an editor for indoor
mapping and you can upload floor plans
there as a as a background image which
is very helpful if you're doing indoor
mapping um for example you can upload uh
fire and rescue Maps those are often
they are quite accurate just make sure
that you have the usage rights to
actually use them but if you are allowed
to use them those are very helpful um
but once again this is also available as
a josm
style uh then there's another editor
called level zero editor
and this is uh available as a website
and it's as you can see just it's a
simple text editor um and usually you
probably wouldn't want
to uh want to Ed it like this you
probably want to have a graphical
interface where you can see what you're
moving around but for some tasks uh this
is a lot easier to do in
text uh for example you can just copy
the text out and use your favorite text
editing tool for example do some search
and replays on really a lot of features
and then paste it back in uh or you can
adjust the position to some exact
position if you know the exact
coordinates of a feature then you can
edit it very simply here and you don't
have to move your cursor around to the
right
position um then if you're
editing um street level images might be
very helpful and some of these are
available also in ID or josm for example
being Street site or
mapillary which is very similar to
Google Street View but it's often more
up to date and sometimes it even has a
lot more coverage where a street is
covered multiple times in different
directions or in different times of a
year and in in some countries it's
really a lot better than Google Street
View actually and and uh there's also
Carter view which used to be open uh
called open Street cam it's very similar
and then there's Wikimedia comments
which is where all the photos for
Wikipedia are basically uploaded and
what's most important is you can upload
there on except for Bing Street side I
think um but you can upload to these
services and if you go out mapping and
take some photos um please do it because
it's extremely helpful when you're
editing somewhere and some other mappers
have already uploaded photos
there but yeah of course there are also
other data sources
um I guess you've all seen uh the the
aial imagery that's available by default
in ID and in
josm but there's also official
government open data and in recent years
governments have actually realized that
open data is sort of nice to have in
some cases and sometimes they just
publish it without really anouncing it
so it makes sense to check often um
because maybe your government your local
government has published some data that
you haven't been aware of um I also know
that not all of this data is available
by default in ID or JM so you have to
actually search for
it um and then note that even if it is
available as a map as a background map
in ID or josm no that some of these
sometimes this these um open data
resources have more data than just the
images for example they might have uh a
building a building map and you can
render this as a as an image map but you
can also use this as a map where uh
where you can get more information about
the features in there so the government
might have data about the height of the
buildings or the number number of levels
or the type of building or they might
even have a map of trees and store what
kind of tree it is but you won't see
that visually on the map you might need
some extra tools to look into this data
uh if you want to import it again keep
in mind it needs to be open data and it
needs to be compatible with the open uh
open Speed license um but yeah just
check if if maybe you can use that also
note that sometimes
uh in in some governments uh in some in
some
jurisdictions uh when the government
makes an official
announcement then um sometimes this is
by default open data that you can just
use and so it it this might not be
published as open data but it might
still be open data um then you can uh
try searching for other Maps like map
whoer.net they have people can upload
map there and they might be new they
might be old but maybe you can find
something there and then there's Drone
footage where people basically uh fly
over some region and take pictures and
make them available for free and you can
use them and then of course there's GPS
tracks and you can upload and download
GPS tracks on the open streetmap website
it's a built-in feature and this is
especially useful when when you want to
add ways or pack paths uh where there's
no good aerial imagery available for
example in a forest where you just can't
see it you can use GPS tracks uh that
people have uploaded and then you can
see um where it goes what sometimes it's
also helpful to see if you're not sure
if there's a barrier somewhere and you
can see that GPS tracks are going
through it then you can be fairly sure
that there's probably not a barrier at
least not not a barrier that blocks you
from going through and then there's
sometimes also DTM which is digital
terrain model and I'm going to show you
where this is useful um this is aerial
imagery of a forest and you can't really
see a lot except for trees and this is
the same location shown as DTM and now
you can actually see a road very well
you might maybe kind of make it out here
but you can't really see it very well
but here you can see it very very well
and you can also see that there's uh
small foot paths in the forest and this
is where DTM is very helpful and allows
you to uh yeah to uh to map
there then we have normal aerial imagery
and sometimes it can be very hard to dis
to distinguish um if the image is low
resolution or if it's dark or if it's
just blurry and you might not really see
a difference between forests and water
but bodies or buildings and shadows and
so on but sometimes these um aerial
imagery is also available with invisible
wavelengths such as infrared for example
and these can be colored with false
color and this one again it's the exact
same
location uh but this one highlights
Agriculture and vegetation and you can
distinguish some features very well here
uh here's another example again the same
location but uh these false colors make
it easier to see water so sometimes uh
you can find this and then you can use
it but now maybe let's talk about how
making changes to open street map
actually works
so when you're making a change and you
want to upload it what your editor does
for you is it actually opens a change
set receives the change set ID and then
uploads the actual
changes which can be multiple steps you
can repeat this as often as you want and
then the change set is closed and it's
it's not super important to understand
but um sometimes it helps that the the
change set itself doesn't really have
any changes itself only the osm changes
have changes that are related to the
change set and also note that ID always
does everything at once which is my way
maybe you haven't noticed this uh it
just creates a change set uploads a
single change and then closes it within
one second
basically uh this is how change sets
look like on the right side you can see
how they look on the website on the left
side you can see how they actually look
I won't go into the details if you can
read XML you can read it but uh it's
just you can see that they basically
only have the area of where the change
set happened but no actual
changes um this is how the changes look
like again not going into the XML uh
what's more important is that you can
export this format from editors for
example you can make changes in ID and
then you can export them and import them
into level zero or jum to make further
edits that might be better suited in in
the other
editor now once you've actually uploaded
your data um we need some quality
assurance or short QA which is basically
about validating your own changes or
mapping other people's changes it's also
about finding missing data or detecting
issues such as invalid tags or uh
Missing tags or other common mistakes
and there really are a lot of tools uh
I'm going to show some some are more
general purpose some are more tailor
tools uh what you can also do is you can
request review this is as especially
recommend it if you're not so familiar
with open street map if you're not or if
you're just not entirely sure if
something you've edited is 100% correct
then in ID and in JM you can basically
uh take this checkbox before you upload
it and it won't do a whole lot it will
just add this review
requested uh tag to CH to the change set
and other mappers or you if you want to
review it will need some tools uh to to
find these changes uh to find these
sorry to find these change sets that
have been taged with review
requested and to observe uh to observe
changes in let's say your hometown or
wherever you want your your local area
um there are some uh QA RSS
feeds and some are basically to discover
new nodes and we will talk about that in
a bit you can also find
new contributors or you can find these
change sets with uh review
requests you can also if you want you
can also find all the change sets in
your area and get notified it get get
notified about them with these uh feeds
and there there are also feeds for new
detected Q QA warnings for some of the
tools that I'm going to change uh to
show
you um and then there's oscha which is a
website BAS tool that is made for
reviewing uh in particular and covers
some of these
things now when you want to review
changes which basically means looking at
a change set what you can do is you can
on the website on the open street map
website just look at the element
history
um this this might sometimes be enough
to to do a simple review but there are
better to tools uh such as tools that
will show you the tag history of an
element in a in a more pleasant way uh
there are tools that visualize the
geometry difference that has been
introduced by a chain set and there are
also analyzers for relations and and
their
changes but to actually understand this
uh maybe we should look a bit at how
nodes and ways actually look like in the
database and this is not exactly how it
looks like but it's it's close enough
and uh you can see we have notes and we
have ways and we have like a join
table and they all have a version number
and this version number increases
whenever an element
changes and as you can also see only
nodes have an actual
location uh given by their latitude and
longitude and wayes don't have a
location themselves they just have a
list of nodes which is stored in the way
noes uh and the way noes have a sequence
ID which determines the order of noes
within a way and now it's important that
when you change the location of a
Noe that will increase the version
number of the note and and it will move
the note to wherever you've moved it and
if it is connected to a way or part of a
way
maybe then the way will change visually
but because the way itself has not
really been modified only the node has
been modified the version number of the
way will not
increase and that's something to keep in
mind that a way can change without the
version uh the version number
increasing and then what we can also see
here is the visible
attribute uh which is always true except
when you're deleting a feature in that
case it's set to false but you can
always undo this so nothing is ever
actually deleted is just set to
Invisible and maybe let's just look at a
random rectangular building like this
one which has four nodes of course it's
it's rectangle but as you can see on the
left side it has five
nodes and the last note equals the first
Noe and that's how in open street map
closed ways are
determined because otherwise it might
just be
u-shaped and to look at changes there's
uh for example there's
aravi uh which is the augmented osm
change viewer which allows you to see
the geometry difference that has been
introduced uh by a change you can also
hover over over parts of the geometry
and this will will um basically show you
the Texs that have been changed and
there are some very similar tools that
are have like one or more uh
feature in addition or
this and then there's the osm history
viewer which highlights the change tags
that have been changed in in one uh
change set it also has a visual map like
the one we've just seen but uh it makes
it very easy to see which tags have been
changed and which ones have not been
changed or which tags have been
introduced then there's the osm Deep
history where you can see the entire
history not just the history of of a
single change set and that's very useful
when you're wondering uh for example
when was some tag added the first time
and you don't want to go through all the
changes uh all the versions that have uh
been made over a feature and then this
allows you just to basically scroll
sideways and see when when something has
been introduced the first time
and
um then there is the osm history browser
this one supports noes ways and
relations and it's especially useful for
ways and relations because it shows you
um all the nodes that are part of a way
and it shows you all the members that
are of a relation and it will show you
the order of them and it will also for
uh for a way uh for sorry for a relation
it will tell you the type of membership
and you can see when that changes and
you can also see when the order changes
um things like that uh and this is
especially for for relations it's very
useful then there's ptna which is the
public transport network analysis this
detects errors in public transport
Network
relations and I recommend you just look
at it uh the FAQ list many more Q Anda
QA
tools um then we have map nodes which
maybe you're already famili familiar
with they can be created by anyone just
on the open Street my website and you
can you don't even need to be logged in
you can upload these anonymously and you
just click somewhere on the map and then
you have a text field
and you can report issues and these are
basically used to report missing data or
wrong data and sometimes they are then
also used to discuss how to add or how
to fix
data um on the open Speed website you
can just enable this on the right side
as an as an overlay they also available
in ID and JM but uh be aware that this
will only show you the currently open
open nodes and noes that have recently
been
closed but the the older nodes are not
gone they are just not displayed and
that's where this tool called notes
review uh can be very helpful because it
allows to allows you to search for uh
very old noes or just notes that have
been have disappeared from the from the
default uh notes
layer and sometimes this this can be
very useful if you want to look up uh
why something was uh change that way or
if you if you've been doing this for a
few years you might remember that uh
something was discussed in a Noe and you
can't find it anymore with notes review
you can probably find it
again um then there's this tool called
who did it which allows you to see areas
of recent changes and also allows you to
uh to go to an area and then see changes
that have been made there and it will
also include short statistics about uh
the single change sets as you can see
here in uh green yellow and red and
shows you uh how many nodes ways and
relations have been created modified or
deleted there's also osm o or
osmosi which detects common mistakes
such as tag combinations that don't make
sense or maybe suspicious
geometries and and this has a lot of
false positives but you can basically
just tell it that it's a false positive
and then it won't appear
again there's also ke Rite which is
basically the same but
different there's also osm inspector
which is the same but
different then there's nominatim QA
which is similar but different and this
one focuses more on the issues for
nominum search which by the way nominum
is the default search engine that's used
on the open Street website when you
enter something there that you want to
search um that's where nominatim comes
in there's also bouter suspects which is
again similar but different uh this one
focuses mostly on routing and
connectivity issues in the
data and right here it's shown in a tool
called Osmos
scope
sorry right here is shown in ososca93402
they can they have thousands of recorded
trips and sometimes they can see that on
an intersection like the one shown
here uh there's very few people that
make a left
turn and then they basically conclude
that maybe it's not allowed to do a left
turn there if barely anyone does it and
I find this a very clever use of this
data and they make it available to open
street map and then you can just um
basically look at it and determine if if
it's a false positive or if there's
actually a turn restriction that's
missing then there's maet which is a bit
different because it's not really a QA
tool in itself but anyone can create
challenges there for other
mappers and sometimes these challenges
are basically issues that's some some
mapper has found and wants uh wants
other mappers to review if they actually
indeed issues or not but it can also be
used to for example import data and have
some human review in it and it's very
great if you're bored and don't know
what to map just go to map ret and pick
one of the challenges and you can just
click through it and start
mapping very similar is then Peck review
add another QA tool but very similar to
Al Street complete for example but you
don't have to uh leave your
chair
and they also do some very clever thing
they have features that have missing
details and they basically they noticed
that there's mapillary imagery very
close to it and you might be able to see
the feature on it uh for example in this
case they have um some sort of of bike
parking and they don't know what
type but there's mapillary imagery
available and then it basically shows
you this feature and asks you to confirm
or not to confirm just asks you what
kind of parking uh bicycle parking it is
and you can then add this data and don't
need to leave leave your
house um then we have change set
discussions as you may know on the open
Street webs on the open street map
website uh when you open a change set
you can you can add comments there and
once you add a comment the uploader of
the change set will receive an email and
you can use this to ask questions about
these changes or inform them about
mistakes uh or discuss if maybe uh the
changes could be improved or something
like that just please keep it
friendly and again there are tools like
uh this tool called how did you
contribute which allows you to track
uned unanswered discussions either where
you've asked a question and the original
uploader did not reply or where they
have replied but you haven't replied
back again to them uh these tools can
help and then last but not least uh
there's reverts which is basically a
roll back of a change set and this will
this will undo all the changes that have
been introduced in a change set and then
uh basically the map data will be
exactly as it was before except for the
version number which
increases and this can also undo
deletions as as I've uh told you
before and sometimes this may be
necessary because there was vandalism or
it was just plain wrong um and maybe
it's easier to just undo it all and then
uh start over again and you can do this
by hand using your favorite editor
[Music]
um sorry again you can do this by hand
using your favorite
editor um if it's just a simple revert
like um undoing a a single tag change
this might be okay and might be the
fastest way but if it's a bit of a
bigger change that you want to undo
there's a JM plugin and there's also um
the revert UI which is a web based
tool and yeah what's more the wiki knows
everything except when it doesn't um but
really the open street map Wiki has a
lot of information and I recommend you
to uh to search the wiki for everything
you can come up with and when you use
the
search you can actually change the
search results to search everything
thing and not just content pages and
that's very important because when you
do search the wiki by default it will
only search the yeah these content Pages
as they are called but a lot of the
actual content is also in discussion
Pages or in user pages and the default
search will not find
that um then we have user Diaries where
every user
can uh
can yeah make sort of blog posts and you
can subscribe to them and you can also
subscribe to only the one in in your
Lang
language and that's how a lot of
discussions in open street map happen
and how a lot of the tools are announced
and discussed and uh there are some
great insights there and then there's
this uh website called weekly osm which
is a Blog that appears once every week
in a dozen languages and they basically
summarize the the past week of what has
happened in the open street map
ecosystem and they announce any major
occurrences and important discussions
important decisions and new tools and
all all sorts of
things and there's also bouter which you
can use to create custom routing
profiles or just to test how routing
works and you can import this into
Osmand and then there's a bunch of uh
tools collections again you can also
find all of them on the wiki for example
on the QA page but there's also the osm
smart menu which is a browser
extension uh that covers many of the
tools that I've shown you in this
presentation and makes it very easy to
uh to switch between them
then there's the stateof the map which
is a conference that uh is pretty much
only about open street map and there's
um it happens every year and there's a
lot of talks that are recorded you can
find them online uh but you can also
maybe visit it next time if you
want and then of course there's uh a few
mailing lists if you're into that but
there's also Matrix chats and RSC and
telegram groups and maybe you've noticed
this when you make a change uh in the ID
editor and you upload it then it will
actually tell you where you can find
these
local um telegram or Matrix groups or
maybe even local uh mapping groups and
how to connect with them and that's
definitely worth checking out and yeah
sometimes people do local meetups and
you should visit them if if you want to
um and if there are none maybe just
start one just ask your neighborhood
mappers and start a
Meetup and that's about it for my
presentation thanks a lot for listening
and I'll be around for
questions so thank you very much yo that
was an amazing talk we've got a few
questions we got in our various social
channels if you still want to ask
questions go ahead I ask them in
directly in the twitch or in the YouTube
chats uh you may also ask them on social
media using the fire shunks hashtag uh
or you can ask them in our IRC channel
on hack in um in the Channel fire shunks
22 um I've got a few questions for you
uh first of all um when in holidays I
want to fix stuff I very often end up
conflicted uh do I do it the way
described in the wiki do I do it like
the Jon templates uh are doing it uh or
do I do it similarly to what's already
done in the neighborhood uh for example
cycle ways uh do I do them as a relation
uh as an attribute to the main motor way
or a separate way in parallel um I
assume there's no right way but is there
is it like possible to start editing
without consulting with locals first
which on holiday isn't always
possible um yeah that's an maybe an
issue maybe it's uh just uh a design
feature of open street map but there is
no correct way
and the yeah what people find the the
best solution changes and sometimes it
changes over time and sometimes it
changes on depending on where you map
But to answer the actual question no
there is there's no single solution to
it um what you can do though is you can
if you don't have someone to ask you can
look at the data at how it has has been
mapped in the past uh by local mappers
around there and that maybe maybe that
helps um we've got another question in
the same way uh it's asking like kind of
a sty guard I'll ask it anyways um do I
don't I map short time changes for
example a road is under construction and
therefore out of service I like what
time threshold do I map or don't map the
changes two weeks a month um in some
areas osm is quite fast at adopting that
kind of change in other areas it isn't
um what about offline maps which are
based on this data um and will carry
temporary abruptions for month maybe
years is the solution to Mark changes as
shortterm
um I think maybe the wiki has
information about what would would be
rule of thump of uh what what's uh
what's a good or what's long enough for
for to to justify adding it to open
street map but what you can do is um
there are temporary
restrictions that are basically based on
the opening hours format sort of so you
can basically say that a road is uh open
for traffic except during a certain time
where it is closed and you can then add
that and that way you can basically say
it's going to be closed for one month
for
example um yeah maybe that helps maybe
that helps um another slightly different
question why contribute to osm what got
you started personally like what what
were the reasons behind looking at osm
and starting to contribute you've been a
longtime
contributor that's a good question um I
think what got me into open street map
was that I've been using it uh with I
think it was with with
Osmand uh to get somewhere and it took
me to the wrong side of the building and
then I was like okay I can fix this and
then I fixed it um that's how I got into
open Speed map but to to answer the
other question why contribute to open
street map uh because I think it's the
the
best uh G data base that we have and it
helps a lot of people to build really
amazing stuff there's a lot of very very
useful applications that use open street
map in the background without people
really knowing it but uh there are a lot
of tools and a lot of them really do
help and that's why I think it's it's
worth to
contribute um I don't see any other
questions in the pad right now I'm going
to give it a second and while I do that
I want to pass pass on a huge thanks and
appreciation for your talk from social
media in this case especially Twitter um
someone really seemed to enjoy your talk
thank you for that nice thank you as
well and maybe move to masterdon when
you're on
Twitter uh I think that's it I don't see
any other questions I'm going to refresh
the page one more time just to make sure
that I'm not missing
anything uh no that appears to be it um
thank you again thanks so much for your
talk it was quite
amazing uh put your hands together for
our speaker yumo thanks for having
[Music]
me