HP today raised the stakes in tablet competition today by launching the TouchPad. The 9.7-inch tablet is its direct challenger to the iPad and relies on a new version of webOS designed to use the larger screen size. It now has app tabs, pop-overs and split views that take advantage of the OS regardless of the orientation; users can even customize the onscreen keyboard to one of four sizes. Synergy is also now more aggressive and can pass text messages on to the device, users can now post to Twitter directly, and the notification system n
