| http://www.w3.org/ns/prov#value | - And Pinterest lights up around home design, apparel, food and other commercial items. (I am taking some liberties by generalizing, but you get the point.) At the scale of Facebook, you could have your users share almost anything and still be able to build a large business, purely by loading the site up with lots of advertising that is (at very least) rudimentary targeted.
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