Facebook doesn't even have a majority share yet. Unlike eBay with auctions, there is no winner yet in the social network space unless you count MySpace. Also,

Facebook doesn't even have a majority share yet. Unlike eBay with auctions, there is no winner yet in the social network space unless you count MySpace. Also, most people have trouble duplicating eBay's services successfully. In contrast, for any given feature of Facebook there are probably already plenty of existing alternatives; before you even consider the primary competition like MySpace and Bebo. http://paulbuchheit.blogspot.com/2007/12/theres-no-such-thing-as-social-network.html http://paulbuchheit.blogspot.com/2007/12/theres-no-such-thin... Message boards, Reddits, YouTubes, Blogspots, Flickrs, MMORPG's, eHarmonies, Wikis, and of course just plain old email and the ancient concept of a home page still solve the problems that Facebook solves. Facebook helps you find people and stay in touch. Personally, I have not had much success with it, and if you're not finding people there's really nothing to use it for.