I think it's true, they are becoming the next Yahoo, but I think everytime they offer a new service similar to something yahoo or MS offers, they do it better (in general) which is why they have become so popular. Google will branch out into every conceivable market, I think thats a given, however what remains to be seen is if they beat all their competitors in every market. If they do, they'll have a monopoly even MS with the desktop OS could only envy