San Francisco - Clear Channel Outdoor (NYSE: CCO), the company's billboard advertising unit, announced on Monday that it has partnered with Qwikker, a provider of location-based mobile content distribution, to enable the delivery of mobile content over Bluetooth from Clear Channel ad displays. The technology allows consumers who have opted-in to receive content on their phones when they are in the vicinity of such a billboard ad. Clear Channel Outdoor has already deployed Qwikker technology in the USA, Australia, Belgium, Ireland and New Zealand, and plan another 1,000 deployments in the U.S. over the next year, encompassing street furniture, malls and airport locations.