Each week Ross Rubin contributes Switched On, a column about consumer technology.
The walls of Las Vegas casinos -- devoid of clocks and windows -- form chambers in which time loses its mastery over the existence of those who dwell within them. So is it too for the products on display at CES, which run the gamut from things currently in stores to concept products that may not materialize for years, if ever.
Nonetheless, with Mobile World Congress and the CTIA Wireless show still vying for the attention of handset introductions and Apple and Microsoft relying more on their own events for major PC OS announcements, television remains a staple of the show, with nearly all major U.S. brands having a pres