For those of you asking, here's a screenshot of the injected message in a DM I sent from Tweetie for Mac: http://yfrog.com/j77cxp
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
For those of you asking, here's a screenshot of the injected message in a DM I sent from Tweetie for Mac: http://yfrog.com/j77cxp