While trying to understand two of the bigger stories to come out of the the world of tech, Jon Stewart realizes that he's a bit too old to really understand either of them. First there's Google Goggles, which will probably get some poor pedestrian hit by a car someday. Then there's Facebook's acquisition of Instagram, a company whose only service seems to be making your pictures look terrible. Stewart's conclusion: He'll just leave all this computer stuff to young people.