Unlike other TV networks, CBS is taking its commitment further. Owning networks—or, at the very least, signing exclusive sales agreements with networks—allows CBS to control not only content but all inventory, a plus for advertisers. “CBS is more serious about the space than their competition—they aren’t just looking to rep space,” says Daniel Wilkins, president of Atlanta-based out-of-home agency Wilkins Media, which in April launched a new division, n2, to handle digital out-of-home buys.