USATODAY.com - One of the oldest ad media is outdoor ads - billboards, posters and signs - and it is having a resurgence. Part of the reason is new, often high-tech creativity in the medium. It is also due to a recognition that new digital media still often depend on old media to build brand awareness and drive traffic to sites.{br}{br}View the Entire Article{br}{br}Click Here to Launch in a new Window