Each week Ross Rubin contributes Switched On, a column about consumer technology.
This January, Vizio became the second major TV manufacturer to announce its support for Google TV at CES 2011. Samsung and LG also rallied behind the idea of "smart TV," with the former announcing results of a "Free the TV" competition designed to encourage television app development. After years of serving mostly as a display for other development platforms such as video game consoles and TiVo, it
