Meanwhile, the Future of Open Source Forum and North Bridge Venture Partners have presented their 2010 survey on how people are using open source software. If you use free tools, take a few minutes and give them a hand.
Demo Video Squared
We've mentioned Square in this space before, the mobile payment system from Twitter co-founder Jack Dorsey. If you were skeptical, check out this crystal clear how-it-works video.
And finally, whether or not this is indeed the "future of AR gaming," it sure as shoot would make advertising conferences a lot more fun...