The Wooster Collective points out some chalk drawings that have appeared in Philadelphia, New York, Chicago, and San Francisco for the Sony PSP handheld. The guerilla campaign of the chalk drawings and posters show cartoony kids playing with oversized PSPs. But there is no Sony or PSP logo. No website to visit. Just the illustrations. See images here.
Reactions aren't happy: HongFire Forum calls it "Sony's coming to vandalize your neighborhood!