# Re-engagement

Encouraging existing users or customers to return and take a useful action.

Encouraging existing users or customers to return and take a useful action.

## An example

An app shows an eligible campaign to people who have stopped using it.

## Why it matters

Respect permission and suppression rules, and measure meaningful returns rather than only notification opens.


## Related terms
- [Active user](https://jolts.xyz/resources/glossary/active-user)
- [Cohort](https://jolts.xyz/resources/glossary/cohort)
- [Lifetime value (LTV)](https://jolts.xyz/resources/glossary/lifetime-value)
- [Retention rate](https://jolts.xyz/resources/glossary/retention-rate)

## Next step

[Explore advertising](https://jolts.xyz/advertisers) or [monetize your AI app](https://jolts.xyz/publishers).