I've just confirmed the BusinessWeek report that Quincy Smith, the one-time investment banker turned digital guru, is leaving his job in January as CEO of CBS Interactive to start his own consulting firm. (Back when he was venture capilatist and then investment banker with Allen And Company, Smith advised Google and Comcast.) Ron Grover's report says Smith will continue to provide consulting services to CBS. Since joining CBS in early 2006, Smith has been Les Moonves' top new media advisor who counseled CBS to keep its distance from Hulu.com unlike NBC, Fox and ABC.