Though we announced it last month, PrimeSense is showing off its Capri sensor for the first time at CES 2013. As a refresher, the Capri is about ten times smaller than the company's existing 3D-sensing chip, which incidentally make up the guts of Microsoft's Kinect. With the help of potential OEMs, the Tel Aviv-based firm hopes the cheaper and tinier sensor will make it in tablets, laptops, cell phon