Internet Study Finds the Persuasive Power of ?Like?

[unable to retrieve full-text content]A positive nudge can set off a bandwagon of approval, researchers found, but negative reaction does not spur others to ?dislike.?

Source: http://www.nytimes.com/2013/08/09/science/internet-study-finds-the-persuasive-power-of-like.html?partner=rss&emc=rss

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