Check out this discussion on 1up.com:
http://boards.1up.com/zd/...isc&message.id=590044It seems that PSP graffiti has been popping up all over the U.S. The speculation is that Sony is funding this as an ad campaign. All of the art appears to be by the same artist, so for one person to be tagging walls in Philly, L.A., New York, Chicago, and San Francisco would be ridiculous. There is even a photo of one person tagging a wall and copying his design from a small grid printout in his hands.
Check out the link above for photos and articles from various gaming news sites.
http://static.flickr.com/...599915_f81cd8dbba.jpg?v=0