The theory that any two people in the world are connected in some way by no more than six people.
Using sexual contact as an example: when one has contact with another person, contact is effectively made with every person that person has come into contact with, and every person those people have come into contact with and so on.
In today's hyper connected world, 6 degrees of seperation is somewhat outdated. If your online and using sites likeFacebook, Bebo, Okurt or Myspace (or multiples of them) you're only 5 steps away from everyone in the world not 6.
After talking to Conner at the party for awhile, Hannah realized she recognized him from a comment he left on her friend's Facebook wall. 5 degrees of separation in the flesh.
The idea that any two people on Facebook can be connected through no more than 4 mutual friendships.
The average person has 130 friends on Facebook, meaning that they have on average 130² friends of friends, 130³ friends of friends of friends, and so on. In six degrees that encompasses 130^5 people. This is 3.7 billion people, more than the entire global Facebook community.
Jane is friends with Mark who is friends with Karisa
who is friends with Oleshia
who is friends with Chenwei
who is friends with 손재호
Person/organisation who claims an association to you or a network with which you are associated (i.e. recruiter who asks to join your LinkedIn network in order to gain access to friends and colleagues without your knowledge/approval) purely for personal or financial gain.
I really don't know that guy; he's 7th degree of separation. Don't give him anything.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.