Dunbar and ideal group sizes

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"One death is a tragedy. One million deaths is a statistic." - Kevin Federline http://www.cracked.com/article_14990_what-monkeysphere.html

What is the Monkeysphere?

http://en.wikipedia.org/wiki/The_Tipping_Point The Tipping Point: How Little Things Can Make a Big Difference ( ISBN 0-316-31696-2 ) is a book by Malcolm Gladwell , first published by Little Brown in 2000 .

The Tipping Point

Group Sizes and the Internet

Christopher Allen

Distributed, dynamic terrorist networks cannot scale like hierarchical networks.

THE OPTIMAL SIZE OF A TERRORIST NETWORK

http://globalguerrillas.typepad.com/globalguerrillas/2004/03/what_is_the_opt.html
dunbar

http://www.schneier.com/blog/archives/2009/07/security_group.html A blog covering security and security technology.

Security, Group Size, and the Human Brain

http://www.cbsnews.com/8301-505125_162-31548457/rule-of-7-the-ideal-work-group-size/

Rule of 7: The Ideal Work Group Size | BNET

In the movie The Magnificent Seven , a group of crusty gunfighters led by Yul Brynner successfully protects a small Mexican village from desperadoes. The movie itself is a remake of Akira Kurosawa's Seven Samurai . As it turns out, seven is a great number for not only forming an effective fictional fighting force, but also for task groups that use spreadsheets instead of swords to do their work.
http://www.liv.ac.uk/researchintelligence/issue17/brainteaser.html Relative to their body size, monkeys, apes and humans have unusually big brains. It has been suggested that this reflects the complexity of their social lives. This hypothesis is gaining support thanks to ground-breaking research by a University of Liverpool scientist, whose methods have been taken up by primate researchers around the world.

University of Liverpool - Research Intelligence - Issue No 17 - The ultimate brain teaser

http://www.wired.com/business/2010/11/the-path-to-social-network-tranquility-is-lined-by-50-friends/

The ‘Path’ to Social Network Serenity Is Lined With 50 Friends | Epicenter 

<img class="aligncenter size-full wp-image-25247" title="path_grabs" src="http://www.wired.com/images_blogs/business/2010/11/path_grabs3.jpg" alt="" width="660" height="471" /> Three ideas lurk behind Path, a new social service that launches Monday as an iPhone app.
http://fora.tv/2010/02/18/Robin_Dunbar_How_Many_Friends_Does_One_Person_Need

Robin Dunbar: How Many Friends Does One Person Need?

Bio Robin Dunbar Robin Ian MacDonald Dunbar is a British anthropologist and evolutionary biologist, specializing in primate behavior.
When you’ve got a small group, you don’t need to constantly formalize things.

If you’re working in a big group, you’re fighting human nature

http://37signals.com/svn/posts/995-if-youre-working-in-a-big-group-youre-fighting-human-nature

Dunbar's numbers for ideal group size. | Leading Leaders - Identity Based Leadership

From a single person to group sizes of over 1000 people, the ideal number of people in any group is becoming quite a science.

Dunbar's number

Dunbar's number is a suggested cognitive limit to the number of people with whom one can maintain stable social relationships .