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"Facebook is planning to make a bulk of its money from advertising, that's no secret. When you're logged into the social network you'll see display ads on the right-hand side of your ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/media/2012/02/28/if-youre-not-careful-facebook-could-make-you-a-spokesperson-for-personal-lubricant/>