Checking out the CTIA show floor

LAS VEGAS--The exhibit hall of the CTIA Wireless conference here is where attendees spend most of their time. While the show is crammed with meetings, keynote speeches and other important business matters, there are lots of interesting, innovative and just plain weird things in the exhibit hall. From Ericsson's Twittering Orange Tree to race cars and TV anchors, here's a look at what's happening on the show floor.