solar billboards?!?!?!?!?

Think about it. Solar billboards. Sounds like something from the future, right??? Actually, Canada and Africa already have them, and the US just installed one on 1000 Brennon street in San Fransisco, the only current solar billboard in America. Roofing the billboard are 20 solar panels, which gathers energy from the sun. every morning, the panels start facing the east, and as the day goes on, moves west. Find the full article at:
http://www.livescience.com/environment/071204-solar-billboard.html If you were wondering, the billboard said " This is not a Billboard. THis is a Powerplant."