Of all the products on display at CES 2011 in Las Vegas, one that drew a particularly large number of spectators was ... a ball. Not just any ball, mind you. Developed by Colorado-based tech firm Orbotix, Sphero is a self-propelled rolling ball that users remotely control via Bluetooth, using an app on their smartphone. While it was still in the prototype stage when we last saw it, Sphero has now been redesigned for the retail market, and is available for preorder.
Read the full article: Sphero smartphone-controlled ball is ready to roll