E-Commerce Report: Social Networks: Will Users Pay to Get Friends?

E-Commerce Report: Social Networks: Will Users Pay to Get Friends?: "The idea behind 'social networking' Web sites like Friendster, Tribe.net and LinkedIn is almost the opposite of the old Groucho Marx joke: they attract people who want to join a club eager to have them.
But as the popularity of such sites has taken off, the big question for investors in new technologies is whether social networking sites can ever make a lot of money by connecting friends of friends in mini-networks of trust, whether for dating, business or maintaining acquaintances. For many, the buzz over social networking sounds a lot like vintage Internet hyperbole from the late 1990's."