Here is a summary of Google Customer Match in one paragraph: Google Customer Match is an advanced Google Ads feature that allows advertisers to build custom audiences from online and offline lists, enabling targeted advertising across various platforms such as search, display network, shopping, Gmail, and YouTube. To use it, advertisers must meet specific criteria, including having a Google account manager, a good payment history, and a lifetime spend of $50,000 or more. Once set up, Customer Match can be used to target specific user groups based on their behavior, interests, or demographics, with the goal of driving sales, upselling, or lead generation. Advertisers must upload first-party data, such as customer lists, and follow specific guidelines to avoid targeting sensitive categories or irrelevant audiences, while also being mindful of limits on data specificity and list size requirements. With automation tools like Zapier, advertisers can streamline the process of updating their Customer Match lists, ensuring timely and accurate targeting without manual effort.