Amazon officially if partially entered the tablet arena on Wednesday by launching the Kindle Fire. The seven-inch tablet uses a heavily customized version of Android 2.1 and is a showcase for Amazon Prime, Amazon MP3, Cloud Player, and now much more optimized magazines on the Kindle bookstore from Condé Nast, Hearst, and Meredith. The $79 subscription gets the usual free two-day shipping as well as unlimited access to Amazon Internet video.
