<P> TweetDeck is a social media dashboard application for management of Twitter accounts . Originally an independent app, TweetDeck was subsequently acquired by Twitter Inc. and integrated into Twitter's interface . </P> <P> Like other Twitter applications, it interfaces with the Twitter API to allow users to send and receive tweets and view profiles . It was the most popular Twitter application with a 23% market share as of June 2010, following only the official Twitter website with 45.7% share for posting new status updates . </P> <P> It can be used as a web app, or a Chrome app . </P> <P> TweetDeck consists of a series of customisable columns, which can be set up to display the user's Twitter timeline, mentions, direct messages, lists, trends, favorites, search results, hashtags, or all tweets by or to a single user . The client uses Twitter's own automatic and invisible URL shortening whereby a link of any length will only use 23 characters of a Tweet's 280 - character limit . All columns can be filtered to include or exclude words or tweets from users . Tweets can be sent immediately or scheduled for later delivery . </P>

What is tweetdeck and how does it work