Don't Believe Facebook; You Only Have 150 Friends
According to "Dunbar's Number," human beings have enough mental space to keep track of only 150 meaningful relationships. But how deep can those bonds be when friends, family members and co-workers are scattered all over the globe?
5 Jun 2011 ... According to "Dunbar's Number," human beings have enough mental space to keep track of only 150 meaningful relationships. But how deep ...