Is an advertising mostly on billboards = large structures located in public places (mass transit vehicles and in stations, shopping malls, office buildings, stadiums,....) which display advertisements to passing people or viewer.

Some billboard displays are static, while others are changing for example, continuously or periodically rotating among a set of advertisements. (i.e. Conventions, Sporting events,....)


See also Noodles and many, many others on ADS OF THE WORLD Outdoor Section