The aim is to influence customers to use your product on their own, again and again without relying on overt calls to action such as ads or promotions.
Nir EyalInstead of relying on expensive marketing, habit-forming companies link their services to the users' daily routines and emotions.
Nir EyalYou'll often find that people's declared preferences - what they say they want - are far different from their revealed preferences - what they actually do.
Nir Eyal