It seems everyone has a theory about who really hacked Sony Pictures Entertainment Inc.
Despite President Barack Obama's conclusion that North Korea was the culprit, the Internet's newest game of whodunit continues. Top theories include disgruntled Sony insiders, hired hackers, other foreign governments or Internet hooligans. Even some experts are undecided, with questions about why the communist state would steal and leak gigabytes of data, email threats to some Sony employees and their families and then threaten moviegoers who planned to watch "The Interview" on Christmas.
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