"positive tweets were retweeted an average of 6.6x, vs 2.6x for negative tweets." Yay for sentiment! http://www.niemanlab.org/2011/02/like-share-and-recommend-how-the-warring-verbs-of-social-media-will-influence-the-news-future/ …
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