How Many Friends Do You Really Need?

The Brian Lehrer Show | Jan 6, 2011

Many people have hundreds, if not thousands of 'friends' on social networks like Facebook. But do they all really count? Robin Dunbar, director of the Institute of Cognitive and Evolutionary Anthropology at the University of Oxford and author of How Many Friends Does One Person Need?, discusses the theory of Dunbar's Number, which states that the maximum number of stable relationships one person can have is 150.

WNYC Homepage - Top Stories

Manhattan's 42nd Street to be bus-only on World Cup match days

NYS Finally Has a Budget

A Russian Phrasebook for Surviving Authoritarianism

The Essential Sonny Rollins

YOU ARE ONLINE