Twitter has released the official Twitter client for the iPhone and iPod touch. Early last month Twitter announced that it had acquired the popular Tweetie app in order to develop it into an official Twitter client for the iPhone platform, with developer Lorne Brichter joining Twitter to continue developing the application under the official company banner. Twitter for the iPhone is essentially a direct update of Tweetie and retains most of the same interface design and functionality while adding a few new features to bring the user experience more in line with Twitter.com features. New features include a reorganized search that combines tweets and users, display of Top Tweets and Suggested users, the ability to sign up for Twitter from within the application and add additional accounts and more actions such as Retweet on the main actions bar. Twitter is available from the App Store for new users as a free download; existing Tweetie users will receive the new app as an update to Tweetie. An iPad version is also under development.