The question is, does Facebook behave like Google, or even more generally, like e-mail, and last a long time, or is it just another 4-5 year fad? If its a longe

The question is, does Facebook behave like Google, or even more generally, like e-mail, and last a long time, or is it just another 4-5 year fad? If its a longer term tool then the behavioral trends of young demographics are a big deal.