Sphero launches mini robotic ball

This looks fun - a tiny app-driven robotic ball from Sphero which is about the size of a ping pong ball. What's clever about it is that it features Sphero's FaceDrive technology so you can use facial expressions, such as smiles, frowns, winks, and head tilts to control it. Derived from the company's £120 robotic sphere, Sphero 2.0, which…