How Many People Does It Take to Start a Revolution?

Source: http://www.youtube.com/watch?v=qhY2y__43z8

Description:

A study in Science by Professor Damon Centola finds that when 25% of people in a group adopt a new social norm, it creates a tipping point where the entire group follows suit. This shows the direct causal effect of the size of a committed minority on its capacity to create social change.

Read more here: https://www.asc.upenn.edu/news-events/ne ws/research-finds-tipping-point-large-sc ale-social-change