Clear Channel Outdoor Holdings, Inc. operates as an out-of-home advertising company in the United States, Europe, and internationally. It operates through America, Airports, Europe-North, and Other segments. The company provides advertising services through billboards, including bulletins and posters, as well as spectaculars, which are customized display structures with videos, multi-dimensional lettering and figures, mechanical devices, moving parts, and other embellishments; street furniture displays, such as advertising surfaces on bus shelters, information kiosks, news racks, and other public structures; transit displays for rail stations and on various types of vehicles; retail displays; and airport advertising displays. It offers solutions, such as RADARView, an audience and campaign planning tool, which analyzes historical mobile location data; RADARConnect, a campaign amplification solution that delivers ads across mobile and other devices to re-target audience groups exposed to an out-of-home advertisement; RADARProof, a campaign measurement and attribution solutions which analyzes anonymized and/or aggregated data; and RADARSync, a data integration platform that uses customer data across the tools for customized application of solutions to customers' specific audience targets and goals. In addition, the company sells street furniture equipment; provides cleaning and maintenance services; and operates public bike programs, a public bicycle rental program that offers bicycles for rent to the public. The company was formerly known as Eller Media Company and changed its name to Clear Channel Outdoor Holdings, Inc. in August 2005. Clear Channel Outdoor Holdings, Inc. was incorporated in 1995 and is headquartered in San Antonio, Texas.