What. Is. This.
pic.twitter.com/UKu8Tn2KTq
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
They were “popular” on Twitter at one point, so it was sometime recently!
They were?? I don’t think I ever saw one.
I just remember them from Flickr
Someone else said 2010, so, maybe it’s then! ¯\_(ツ)_/¯
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.