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You may have noticed that whenever a Facebook friend gets married, it sets off a flurry of activity throughout the social network. Friends post photos from the wedding, and there’s the creation of a life event and the notification on the top-right corner of the screen. Mashable and TheKnot.com recently studied how entwined Facebook is in users’ nuptials, finding that 8 percent of people are updating their Facebook relationship status to engaged just minutes after saying yes.

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