He is urging young entrepreneurs and engineers to stop making some of the sillier software that lets Facebook users throw virtual sheep at their friends or download virtual beer on iPhones, and instead start making a real difference in the world. He says it's not just the right thing to do, but also the smart thing to do.
I think this is awesome. We need a movement to form that is much bigger than Gates/Omidyar/Skoll (and Benetech!). The creative brains in the Valley have a lot to offer when they are motivated. Tim is the kind of person that holds immense influence because of his track record for spotting new trends.
We're huge O'Reilly fans: Tim has always been socially oriented and more than four years ago gave Bookshare.org a license to distribute all of his books to disabled people around the world. By taking that leadership position (and not suffering any arrows in the back for helping us), this has led to quite a number of major publishers agreeing to do the same for Bookshare.org in the last year. So, Tim leads by example.