You can only rely upon four 'friends' on Facebook in a crisis

Scientists at the University of Oxford have found while on average we have 150
Scientists at the University of Oxford have found while on average we have 150 'friends' online, we can only turn to four of them when we have a personal problem.

It's Not a Crisis. This Is the New Normal. – Mother Jones

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Social media study reveals you can only count on 4 of your 150 Facebook friends

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How to Negotiate with Friends and Family - PON - Program on Negotiation at Harvard Law School

Facebook users have 155 friends - but would trust just four in a crisis

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