Ermmmmmm... so this just happened...
#matlabpic.twitter.com/ZBdzVOIxT1 – at University Of Sussex
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
what commands did you run previously and did the prompt have a 1 in it?
Let me check (on our lab PC so will have to go access it) I'll post command history :) I imagine we did something accidentally!
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.