MFing Twitter silently pushed their new "quality filter" on me. Here it is in the web interface:pic.twitter.com/ZCS6r722vL
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
IMHO Twitter's incentives are all fucked up here because they're ad-supported and chasing new users madly to make growth numbers.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.