Sony's apparent underground graffiti-ad campaign is rankling some citizens. While Sony has not officially endorsed the campaign, the series of identical PSP-toting graffiti characters appeared in the last few weeks in San Francisco, New York, Los Angeles, Philadelphia, and Chicago. "Is anyone else concerned that Sony Playstation paid someone to vandalize our neighborhood to sell their latest toy," writes a Los Angeles resident. "It's quite obviously an advertisement, but when I called Playstation Consumer Services this morning, they claim to know nothing about the campaign. I guess there's just some clever youngster out here in LH that just really LOVES...
