There is only one social network right now that puts a cap on the number of friends one can have. And that is the The Personal Network stroke Path. Based on Dunbar's research results, the guys behind it have put a limit of 50 friends for each user. And who are these guys? Dave Morin, once an executive at Facebook, and Shawn Fanning, cofounder of Napster. This gives credence to a view that I had that even though one can have hundreds to thousands of friends/followers on a social network, there is usually a small group that one particularly listens to or follows keenly. Here is how Dave Morin puts it:
"You usually have about five people whom you trust most, 20 whom you consider your BFF's (what's this, anyone?) and about 50 or so who are your personal network."

P.S: Did I hear one scientist say on BBC radio that man's evolutionary limit of their friendship networks is 150 people? May be Morin and Fanning aren't that off the mark in trying this out.

P.P.S: You can read the site's blog here.

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