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.

Brainstorm new interfaces that could introduce opportunities or threats to your business.

Users who continually find value in a product are more likely to tell their friends about it.

For an infrequent action to become a habit, the user must perceive a high degree of utility, either from gaining pleasure or avoiding pain.

Habit-forming products alleviate users' pain by relieving a pronounced itch.

Habit-forming products often start as nice-to-haves, but once the habit is formed, they become must-haves.

Many innovations fail because consumers irrationally overvalue the old while companies irrationally overvalue the new.