The game also featured the NFL debut of a 3D, in-house video, with fans given 3D glasses as they entered. It was supposed to be for the entire second half, but such few people bothered with it that the humongous video boards went back to plain ol’ 2D, HD just 6:50 after the experiment began. The change drew one of the largest cheers of the game.
(Source)
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Earlier: HD sports not good enough? Try 3D.
