How do you cut through the clutter of the standard 12-by-24 ft billboard? Make your ad 45 feet high and 285 feet wide. Wallscape ads, like the above Nationwide Insurance example, are being used in top 15-20 markets. However they can be done in any market where there are large buildings in high-traffic locations. Frequent wallscape marketers include the technology, fashion, entertainment, retail, shoes and auto industries. Make it interactive by adding a mobile call to action and watch your ROI soar.