TweetDeck is an Adobe AIR desktop application for Twitter, Facebook, LinkedIn, Google Buzz, Foursquare, and MySpace. Like other Twitter applications it interfaces with the Twitter API to allow users to send and receive tweets and view profiles. It is the most popular Twitter application with a 19% market share as of June 2009, following only the official Twitter.com website with 45.70% share for posting new status updates. It is compatible with several operating systems including Microsoft Windows, Mac OS X and Linux. An iPhone version was released on June 19, 2009 and an iPad version was released in May 2010 as well. A beta version for Android was released on August 12, 2010. - Source: Wikipedia
