To me, that is the real business model innovation of social/web2.0 - college students will just move back home, saddled with debt, and entertain each other on a

To me, that is the real business model innovation of social/web2.0 - college students will just move back home, saddled with debt, and entertain each other on a site you control, generating revenue for you. Their parents will fund their basic needs, at least until they themselves die or run out of credit, government subsidies, etc. It was not designed to be sustainable -- it was designed to extract as much wealth as possible for its founders, as quickly as possible, before war/peak oil/or whatever hits.