# Ad Networks

Growlytics allows you to sync your segments with Ad Networks to create highly targeted ads at minimum cost. Using Growlytics segments, you can keep dynamic list of audiences for Google and Facebook Ads.

Using customer's existing information like email id or other personally identifiable attributes, you can programmatically sync your Growlytics segments with Ad Networks as audiences. This eliminates the manual process of uploading customer lists and it also ensure parity in the people you reach in Customer.io and your Ad Network.

To know more about ad audiences, you can study platform’s specific documentation: [Facebook Ads](https://www.facebook.com/business/help/381385302004628), [Google Ads](https://support.google.com/google-ads/answer/6379332)


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