Dad to write his simple summary of how this article relates to moneysweet here. The theory basically states that over time, a new idea can gain momentum and then diffuse. The end result is the adoption of the new idea (or habits!). It starts with the innovators who jump right in at opportunities, then early adopters who are leaders or instigate change, then the early majority (who top the bell curve - see image below) before the diffusion begins within the rest of the population. Interested in learning more? Read the article below.