CNET has launched its video-on-demand CNET TV, which will distribute CNET video content, such as "First Look From the Labs," to TV and online, writes BtoB Online. Initially, its distribution partners are Cox Communications, TiVo and TVN Entertainment. Online, the content will be programmable based on topic or by selecting a favorite "channel." CNET TV will also cover events such as the Consumer Electronics Show in Las Vegas. Best Buy Enterprises will be the service's first advertising sponsor, reports Reuters.