The Xbox 360 is a home video game console developed by Microsoft, being the successor to the original Xbox and the second console in the Xbox series. It was officially unveiled in the program titled Xbox: The Next Generation Revealed on May 12, 2005, with detailed launch and game information announced later that month at the 2005 Electronic Entertainment Expo (E3). As a seventh-generation console, it primarily competed with Sony's PlayStation 3 and Nintendo's Wii.