Did we really need this? LG Electronics must have had something to prove this year at CES because it went over the top with its long, winding, 92-foot-long "OLED Canyon" made up of more than 240 displays. Okay, fine. It's really, really pretty. But it just seems like a gigantic waste of energy — even in a place with enough gadgets and gizmos to outshine the Las Vegas Strip. This pathway is bright as hell.