the matchmaking idea was tried by a company called thread.com http://techcrunch.com/2009/09/01/threadcom-raises-12-million-for-facebook-powered-matchmaking-ser

the matchmaking idea was tried by a company called thread.com http://techcrunch.com/2009/09/01/threadcom-raises-12-million-for-facebook-powered-matchmaking-service/ http://techcrunch.com/2009/09/01/threadcom-raises-12-million... ... they could never find traction, but again its about execution.