Well that was an exciting ridepic.twitter.com/Pn4z4NEMVJ
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
also mute (as you saw), and I *think* if you have many RTs coming from 1 persons RT, you can mute that person to not get RT notices
and you can definitely mute words from your notifs so if your tweet jumps over to Shit Twitter look for common words in replies.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.