"We believe they are the cause of 10 percent of all accidents in the city," say Athens police. In the U.S., the recent graphic billboards for Captivity caused a stir and the BBC has been getting a lot of attention for billboards that let you vote (via text messages) on divisive topics. Who knew the lowliest form of public advertising could be so hot?
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.