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Editor's note: David Weinberger is a senior researcher at Harvard University's Berkman Center for Internet & Society and author of "Too Big to Know" (Basic Books). The opinions expressed in this commentary are solely those of the author
(CNN) - Many people are outraged about the just-revealedpsychological experiment Facebook performed in 2012 on 690,000 unwitting people, altering the mix of positive and negative posts in their feeds. Playing with people's emotions without their consent is a problem. But it would be even worse if we think - after Facebook posts one of its all-too-common apologies - that Facebook is done manipulating its users.
No. The experiment was only a more intrusive version of what the company does every time we visit our Facebook page.