![Ton Zijlstra](https://i0.wp.com/www.zylstra.org/wp/wp-content/uploads/2012/03/AntonZijlstra_TheGreenLand-150x150.jpg?resize=150%2C150&ssl=1)
In many discussions on social networks the number 150 comes up as a ‘natural’ limit to how much social interaction a person on average can handle. Intuitively I always felt uneasy with this number, and have on several occasions suggested that this could only be a limit in a spe...