4.74 Degrees of Separation

November 25, 2011 at 1:29 pm | Posted in Internet, Psychology, Science | Leave a comment

In the 1970’s, Stanley Milgram did his famous “small world experiment” with a group of about 300 people and demonstrated that the average number of people (hops) between any 2 people was 5.2, or about 6 Degrees of Separation.

I’ve noticed more recently that in services like LinkedIn, I’m usually within 3 with anyone I look up, even from other industries. Facebook recently did the experiment again using an algorithm from an Italian university. As they have 721 million active users (!), that’s about 10% of the world, albeit the connected world. They found that 96% were within 4 degrees while 99.6% are within 5 degrees. Within a single country, the average drops to 3. Facebook of course takes credit for making people more connected.
We’re closer than we think.  😉


Leave a Comment »

RSS feed for comments on this post. TrackBack URI

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Blog at WordPress.com.
Entries and comments feeds.