For certain locations, we use third-party providers to conduct age estimation. Age estimation can be carried out in different ways, depending on your location and depending on applicable law.</li> <li>Email Address Age Estimation: We may use a third-party to estimate whether you are under or over 18 years of age, using your email address. This involves running queries against websites and apps where you have previously used your email address.</li> <li>Facial Age Estimation: If you fail Email Address Age Estimation, or if Email Address Age Estimation is prohibited in your location, you may be asked to undergo Facial Age Estimation. This process involves our third-party provider collecting a short .gif "selfie" (that you provide to the third-party provider) and using digital technology to estimate your age.