Times Square is often called the "crossroads of the world." That may be one reason buying billboard space of any kind in the heart of New York's tourist mecca can cost a lot of money.
But in a world where advertising is often seen as annoying to consumers, Times Square is also unique: The ads themselves are part of the area's iconic appeal.
But how much are we talking, and who exactly is being reached? Here's a look at the numbers.
(Be sure to click the infographic to view it at full size.)