Some media outlets have pointed out that neither Colorado movie theater shooting suspect James Holmes nor Norwegian mass murder Anders Behring Breivik have Facebook profiles. In fact, some psychologists have said that using Facebook is an indication of having a healthy social network, which you might take as a sign of good mental health. Along those lines, an advice columnist for Slate has gone as far as writing that it might not be safe for young people to date people who don't use the social network.
In reality, chances are you know plenty of well-adjusted people who don't use Facebook simply because they see it as a humongous waste of time.
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