Philadelphia skyscraper turns 'Pong' into 'world's largest v
Posted: Tue Apr 09, 2013 9:10 am
Philadelphia skyscraper turns 'Pong' into 'world's largest video game'
http://www.nbcnews.com/technology/ingam ... -1C9254820
http://www.nbcnews.com/technology/ingam ... -1C9254820