Once its users were locked in, Facebook turned to advertisers and said, "Remember when we told these rubes we'd never spy on them? It was a lie. We spy on them with every hour that God sends, and we'll sell you access to that data in the form of dirt-cheap targeted ads."
Then Facebook went to the publishers and said, "Remember when we told these suckers that we'd only show them the things they asked to see? Total lie.
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