All valid questions submitted before the deadline had the chance to win approx. $90 worth of Valve merchandise. The winner will be announced live during the interview.
Update (June 1st)
We now have 5 copies of Eets on Steam to give away, courtesy of BlueWolf72 and Steam Contests. The first lucky winner will still receive Valve merchandise. An additional 5 lucky winners will recieve a copy of Eets on Steam.