The average Facebook user in the U.S. has 245 friends, according to a study published by the Internet and American Life Project of the Pew Research Center.
The Dunbar number, however, is 150 – anthropologist Robin Dunbar suggests that is the effective neurological limit the human brain can handle. Dunbar says social networks resemble a set of concentric circles: 150 is the outer boundary; 50 is the limit for trusted friends; 15 for good friends, 5 for best friends.
What are the implications for social media tools inside companies? I tend to think we view those networks and communities differently than a social network. What do you think?
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