Nope, that's not the rumored HP / Palm WebOS educational tablet we've heard about, but it's a wireless tablet alright. That up there is HP's new Digital Sketch, and it's actually meant solely for the classroom -- it wirelessly connects to a laptop or desktop allowing teachers to control lesson plans or draw diagrams while they're walking around the room making sure no one's passing notes. The pad itself, which will be available in March, works with HP's Sketchbook Windows software and is said to last for over 25 hours on a charge. But that's not all HP wants to put in schools. It's also got a new Pocket Whiteboard up
