It aggregates data from multiple sources to create a comprehensive profile for individuals, which can be searched using criteria like name, address, or phone number. The service is often used for verifying contact information, background checks, or finding lost connections.
If you want to remove your information from ThatsThem, you can follow their opt-out process. This involves searching for your information on their site, verifying your identity, and then submitting an opt-out request to have your data removed from their database.
Link: https://thatsthem.com/