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

Like flossing, frequent engagement with a product, especially over a short period of time, increases the likelihood of forming new routines.

If users are not doing what the designer intended (when users are investing time, effort, etc in your product), the designer may be asking them to do too much.

To initiate (user) action, doing must be easier than thinking.

Products with higher user engagement have the potential to grow faster than their rivals.

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

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