Google's alleged tablet: Four huge hurdles ahead | ZDNet: "Marketing magic. Google’s Eric Schmidt said that the search giant was planning a tablet of the highest quality. Already, Google is boxing itself in. Remember when Schmidt said Google was going to reinvent TV? Right. Simply put, the days where Google entered a market and you assumed success are over. Like Microsoft, the 800 pound Google gorilla doesn’t always succeed. Does Google have the venues to really push a tablet? Sounds crazy to ask given all the ads Google could use, but it lacks a unified store front like Amazon."