Gadgetory

banish the freshman 15 with switched to health a $25 device that helps you lose weight this futuristic looking wrist strap has a motion sensor inside that measures and logs physical activity after an hour of movement s2h displays a rewards code that you can redeem for prizes like DVDs music downloads and even an ipod nano loose leaf that is so 2011 download the note-taking app penultimate for 99 cents you can doodle and take notes on your iPad note-taker HD lets you type notes in various typefaces and point sizes or draw them with your finger as well as import PDFs and crop photos all for about 5 bucks if there's one major wallet buster out there it's buying textbooks so why not just download them instead a digital textbook company no has a free iPad app where you can choose from more than 100,000 titles they can read on the web or through Facebook hopefully going back to school will be a little more fun with these gadgets in your backpack in San Francisco I'm Kara Tsuboi cnet.com for CBS News