User blog comment:Evans0305/BioShock Infinite gameplay videos/@comment-939754-20110630225152

"In this video, we show the first two minutes from the newest BioShock Infinite gameplay demo that was shown behind closed doors at E3 2011. Tune into GTTV on Spike, Thursday July 7, for a 30-minute BioShock Infinite special, if you want to see the whole thing!"

- BioShockInfinite.com

Just giving the exact quote.