Forget the Super Bowl for a moment, Google just got the best ad when Obama uses G+ to hangout

For three point two million dollars you can get thirty seconds of air time nationally during the Super Bowl. For nothing you can get the POTUS having a chat and answering a few of the questions more than 225,000 people submitted to the Whitehouse.gov.
Yes, it's a tech based town hall of sorts. Google kinda just pwned the world.