Those cute web apps tend to be changing the way business and consumption is handled on a day to day basis for almost every level and every facet of the economy.

Those cute web apps tend to be changing the way business and consumption is handled on a day to day basis for almost every level and every facet of the economy. The only Ponzi scheme argument is one that includes the entire western economy. Or are you talking more specifically about the net-loss web app companies that tend to only pepper the frenzied investment of the valley?