> For the complete documentation index, see [llms.txt](https://docs.crowdpower.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.crowdpower.io/resources.md).

# Resources

- [Smart Sending](https://docs.crowdpower.io/resources/smart-sending.md): Worried about sending too many messages to the same customer? With Smart Sending, we make sure they won’t be inundated with messages.
- [Working with Sessions](https://docs.crowdpower.io/resources/working-with-sessions.md): Sessions are tracked automatically for each customer if sent to CrowdPower via the JavaScript tag or Beacon API.
- [Working with Traits](https://docs.crowdpower.io/resources/working-with-traits.md): Traits are attributes applied to each customer on CrowdPower.
- [Working with Phone Numbers](https://docs.crowdpower.io/resources/working-with-phone-numbers.md): Phone numbers can be used as customer traits or event properties, and optionally used in automations to send SMS messages via 3rd party integrations.
- [Personalizing Messages](https://docs.crowdpower.io/resources/personalizing-messages.md)
- [Push Notifications](https://docs.crowdpower.io/resources/push-notifications.md): You can send push notifications with Chrome and all modern browsers using the CrowdPower Service Worker and JavaScript Tag.
- [Unsubscribe Groups](https://docs.crowdpower.io/resources/unsubscribe-groups.md)