My son tagged me in Facebook asking me who a certain person was, we'll call her Amy. I explained that Amy was a cousin who is associated with Big Name University. And I asked why her name came up. Well, Amy's name showed up as a recommended FB contact on his page and the contacts listed was one of his classmates at Tech - and 3 family members.
So, someone he is related to is a contact with a friend of his - six degrees of separation......
On This Day in Math - June 22
4 hours ago