Attendees walking past the Sony PlayStation booth at the Game Developers Conference in San Francisco in 2012. The PlayStation and Microsoft's Xbox consoles were experiencing a possible hack on their online sites. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP

Sony Computer Entertainment President and CEO Andrew House introduces the new PlayStation 4 at an Electronic Entertainment Expo media briefing in Los Angeles on Monday. Jae C. Hong/AP hide caption

itoggle caption Jae C. Hong/AP

The new Xbox One entertainment and gaming system was unveiled Tuesday by Microsoft. The console includes live TV and advanced voice commands. Ted S. Warren/AP hide caption

itoggle caption Ted S. Warren/AP