8:50 a.m. PT
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Doors open, and hundreds of people lined up outside are let into The Galen Center in Los Angeles for Microsoft's Xbox briefing for E3, the video game industry's annual conference.
Microsoft is expected to promote the latest game in its "Halo" franchise as well as give another glimpse of its augmented reality headset, HoloLens.
Bloggers, gamers and journalists, many wearing the black and green colors of Xbox, stream into the arena on the campus of the University of Southern California. Inside, music is blaring in the darkened space covered in Xbox logos while green spotlights sweep the crowd.