How does social networking sites like bebo and my space make money(besides advertising)?

Do they make any profits and how

How does social networking sites like bebo and my space make money(besides advertising)?
Social networking sites basically operate two revenue streams: contextual/banner advertising and subscriptions for premium services.





Cyworld.com allows users to create profiles for free, but the user has to pay if they want to customize it.





But advertising remains big. Myspace, for instance, according to reports earn about $25 million a month and growing every month - almost 30 per cent every quarter http://www.journalism.co.uk/2/articles/5...
Reply:Well, some offer products, such as facebook. But the majority of the income is based on advertising.