good god that slide is frightening! @aral who was talking?https://twitter.com/aral/status/674245881152061445 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
@mathieuhery Forget now, it’s in the programme/was broadcast live—might have a recording. See @indie’s tweets for a link :)