Reducing the thinking required to take the next action increases the likelihood of the desired behavior occurring unconsciously.
Nir EyalWhen designers intentionally trick users into inviting friends or blasting a message to their social networks, they may see some initial growth, but it comes at the expense of users' goodwill and trust. When people discover they've been duped, they vent their frustration and stop using the product.
Nir EyalInstead of relying on expensive marketing, habit-forming companies link their services to the users' daily routines and emotions.
Nir EyalAs fleeting commitments, diets often fail. Thinking of dietary choices as part of who you are...can give them real staying power
Nir Eyal