A self-reinforcing cycle that creates collective beliefs. An idea will gain traction once it enters the mainstream, which triggers a chain reaction, which causes lots of people to adopt it not because it’s true but because it’s popular
source:: [[www/50 Ideas That Changed My Life]]
Ideas reach a tipping point, they have an R0 like viruses; they go viral. It's a simple rephrasing of "going viral". Sounds more intellectual though, if that's a goal.