Prompt Cast
The Dunbar Number: Understanding the Size of Our Social Groups
TLDR The Dunbar number is a theory that suggests our brains developed to handle complex social interactions and determines the size of our social groups, with research showing that humans can maintain stable relationships with approximately 150 people. This number, also known as the Dunbar number, has practical applications in planning office spaces and residential developments.
Timestamped Summary
00:00
The Dunbar number dictates our social interactions and determines the size of communities and Christmas card lists.
01:27
The Dunbar number is a theory that suggests the size of our brains developed to handle complex social interactions and determines the size of our social groups.
02:41
The Dunbar number is a prediction based on a model that suggests humans can maintain stable social relationships with approximately 150 people.
03:53
When researchers looked at human social groups, they found that the prediction of maintaining stable relationships with approximately 150 people was surprisingly accurate across various communities and organizations.
05:07
Researchers have found that while you can have up to 5,000 friends on Facebook, the actual number of people you interact with is pretty close to 150.
06:16
The Dunbar number, which represents the number of good friends a person can have, is around 15, according to a UK study, and has been used to plan office spaces and residential developments.
07:23
Consider the Dunbar number when assessing your social connections and planning events or correspondence.
