1 of 23Image
Walt Mossberg (Wall Street Journal), Victoria Murphy Barret (Forbes) Michael Miller (Ziff Davis) and Ed Baig (USA Today) discuss the winners and losers at Demo 2006.
Vivid Sky introduced SkyBox, a handheld device for people who attend sports events. It has maps and services, such as ordering food, and tracks your position so it's delivered where you are. It also can access TV cameras in the stadium and find other people using the device.