What was that gigantic gathering of tech journalists in Hollywood last night? Just a product announcement event for Microsoft. Microsoft picked Hollywood's Milk Studios as the location of a super stealthy, invitation-only event to announced its Surface tablet computer. Microsoft announced its new computer at the event Monday evening, saying that the device will feature a 10.6", 16:9 widescreen HD display, a built in keyboard, built in web camera, among other features. The new device was announced by Steve Ballmer.