Sharing your story with a personal take on Facebook, Twitter, or real life may be more worth it than you think. Because social pressure is, in fact, measurably meaningful. And you might be the one person who stands between business as usual and real change for our world.

It’s a mere 25% of any group. Only 25% of people need to adopt a new social norm to create an inflection point where everyone in the group follows.

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.