How do you create a custom affinity audience in Google Ads?

To create a custom affinity audience in Google Ads, you can follow these steps:

1. Sign in to your Google Ads account.
2. Click the "Tools" icon in the top right corner and select "Audience manager" under the "Shared library" section.
3. Click the "Audience sources" tab and then click the "+" button to create a new audience source.
4. Select "Custom affinity audiences" as the audience source type.
5. Enter a name for your audience source.
6. Define the interests and behaviors that you want to target. You can do this by entering keywords, URLs, or apps that are relevant to your audience.
7. (Optional) You can also add demographic targeting options, such as age, gender, or parental status, to further refine your audience.
8. Click "Create" to save your audience source.

Once you have created a custom affinity audience, you can use it to target your display campaigns. To do this, follow these steps:

1. Create a new display campaign or select an existing campaign.
2. In the "Audiences" section, click the "Browse" button and then select "Custom affinity audiences".
3. Select the custom affinity audience that you want to target.
4. Set the targeting options for your audience, such as the ad group or campaign-level targeting and the bid adjustment.
5. Save your changes.

Custom affinity audiences allow you to target people who have shown an interest in specific topics or who have visited certain websites or apps. This can help you reach a more relevant and engaged audience with your display campaigns.

It is important to carefully consider your targeting options and create relevant and engaging ads to maximize the effectiveness of your display campaigns. You can also use the Google Ads audience insights tool to learn more about the characteristics and interests of your audience.