You further acknowledge that, by acceptance of your submission, Goodreads does not waive any rights to use similar or related ideas previously known to Goodreads, or developed by its employees, or obtained from sources other than you. </p> 5. Eligibility <p> This Service is intended solely for Users who are thirteen (13) years of age or older, and any registration, use or access to the Service by anyone under 13 is unauthorized, unlicensed, and in violation of this Agreement.