Dunbar's Number

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Dunbar's Number and the Social Business Dunbar’s Number Most people working with social technologies will be familiar with Dunbar’s Number: the number of people we can comfortably maintain stable social relationships with. Apparently it varies from 100 to 230, with 150 being the norm. This we each typically connect up with and socialise with on average 150 people. Dunbar's Number and the Social Business
Forget Dunbar’s Number, Our Future Is in Scoble’s Number Forget Dunbar’s Number, Our Future Is in Scoble’s Number February 16, 2009 by Hutch Carpenter Photo credit: Mark Wallace I probably don’t know about your latest job project. I don’t know what your kids are up to. I don’t know about that vacation you’ve got coming up.
[1105.5170] Validation of Dunbar's number in Twitter conversations
About 20 years ago the evolutionary anthropologist Robin Dunbar proposed his eponymous number: Dunbar’s number is a theoretical cognitive limit to the number of people with whom one can maintain stable social relationships. These are relationships in which an individual knows who each person is, and how each person relates to every other person. Proponents assert that numbers larger than this generally require more restrictive rules, laws, and enforced norms to maintain a stable, cohesive group. Facebook & Dunbar’s number | Gene Expression Facebook & Dunbar’s number | Gene Expression
Beating Dunbars Number There’s a theory called Dunbar’s Number that suggests there’s an upper limit to the amount of relationships we can maintain. If you’re interested in networking, this should be an issue. That number, for the record, is 150. Derek Halpern asked me how I dealt with that issue, as I spend my time with far more than 150. Here are some thoughts. Beating Dunbars Number
dunbar's number
Social networks: Primates on Facebook
Don't Believe Facebook; You Only Have 150 Friends Don't Believe Facebook; You Only Have 150 Friends hide captionAccording to "Dunbar's Number," human beings can maintain a network of only about 150 close friends. istockphoto.com According to "Dunbar's Number," human beings can maintain a network of only about 150 close friends. GORE-TEX, the company that makes wetsuits, hiking boots and ponchos, is the subject of a famous anecdote in the world of sociology.
Dunbar's Number proves that you can't realistically follow more than 150 friends on Twitter
Dunbar's number rules the Twitterverse › News in Science (ABC Science) News in Science Tuesday, 7 June 2011 Genelle WeuleABC Social networks Ashton Kutcher might have more than six million followers on Twitter, but his brain's not big enough to have deep conversations with more than 150 of his nearest and dearest. Even the most ardent Twitter fiends can only befriend a finite number of people, according to new research published on the pre-press website arXiv.org. Dunbar's number rules the Twitterverse › News in Science (ABC Science)
Sorry, Facebook friends: Our brains can't keep up | The Digital Home
What's Your Dunbar Number? There are several key indicators - numbers we take seriously - to indicate "how we're doing." Cholesterol levels, salary, and IQ score, for example. And now the concept of a "Dunbar number" is being tossed around. Briefly, the term is used to suggest that we can only manage, cognitively, a limited number of relationships. The average, suggested in anthropologist Robin Dunbar's research, is just under 150. What's Your Dunbar Number?
The Dunbar Number as a Limit to Group Sizes - Life With Alacrity For those of you not familiar with Dunbar's number it basically says that the most amount of people that you can maintain stable social relationships with is 150. According to wikipedia: “Dunbar's number is a theoretical cognitive limit to the number of people with whom one can maintain stable social relationships. The Dunbar Number as a Limit to Group Sizes - Life With Alacrity

Dunbar's number

Dunbar's number Dunbar's number is a suggested cognitive limit to the number of people with whom one can maintain stable social relationships. These are relationships in which an individual knows who each person is and how each person relates to every other person.[1][2][3][4][5][6] This number was first proposed by British anthropologist Robin Dunbar, who found a correlation between primate brain size and average social group size. By using the average human brain size and extrapolating from the results of primates, he proposed that humans can only comfortably maintain 150 stable relationships.[7] Proponents assert that numbers larger than this generally require more restrictive rules, laws, and enforced norms to maintain a stable, cohesive group.