Twitter’s own homepage is still the most popular tool for users to update their status on Twitter. Around 46% of all updates are made directly on the site. Social media analytics and monitoring service Sysomos analyzed 500 million tweets it collected over the past 5 months and found that TweetDeck is the most popular third-party client. TweetDeck has a comfortable lead with a 8.48% share of the market, followed by Tweetie, Twitterific and Seesmic. TweetDeck is also the tool of choice for the most active Twitter users. On average, TweetDeck users send out 1.24 tweets per day, followed by Seesmic users (1.18 tweets/day) and HootSuite (1.11 tweets/day). More stats at ReadWriteWeb.