# Walled garden

A platform that controls access to its audience, inventory, data or transactions.

A platform that controls access to its audience, inventory, data or transactions.

## An example

An advertising platform provides its own buying interface and limits the reporting data buyers can export.

## Why it matters

Measurement and access inside one platform may not be directly comparable with another.


## Related terms
- [Ad placement](https://jolts.xyz/resources/glossary/ad-placement)
- [Call to action (CTA)](https://jolts.xyz/resources/glossary/call-to-action)
- [Impression](https://jolts.xyz/resources/glossary/impression)
- [Native advertising](https://jolts.xyz/resources/glossary/native-advertising)

## Next step

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