Boys play Sony Playstation Portables (PSPs) at an electronic shop in Tokyo May 7, 2011. Sony said on Saturday it had removed from the Internet the names and partial addresses of 2,500 sweepstakes contestants that had been stolen by hackers and posted on a website, and said it did not know when it could restart its PlayStation video games network. REUTERS/Kim Kyung-Hoon (JAPAN - Tags: CRIME LAW SCI TECH BUSINESS)