Who isn’t familiar with billboard advertising and the concept of taking an empty space strategically placed along a major roadway and filling it with words and pictures to attract the attention of a passersby? It’s a concept that dates back to the 1830’s when American roadside advertising was generally local. The American billboard industry was established in the late 1860’s and by 1870 nearly 300 small sign-painting and bill posting companies were in operation. Billboard a