# Opt-in

An affirmative choice to participate in a specified activity or allow a specified use.

An affirmative choice to participate in a specified activity or allow a specified use.

## An example

Someone actively chooses to receive promotional messages from a named business.

## Why it matters

Explain the purpose clearly and provide a way to withdraw where required. Silence is not the same as an affirmative choice.


## Related terms
- [Consent](https://jolts.xyz/resources/glossary/consent)
- [Conversion tracking](https://jolts.xyz/resources/glossary/conversion-tracking)
- [Data minimization](https://jolts.xyz/resources/glossary/data-minimization)

## Next step

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