A recent trend in social media is the use of FaceApp. Upload your photo and it will return an image of how you would look in the future. You may also use the app to change your appearance in a variety of manners. Although it appears to be a fun use of Artificial intelligence, are you also giving them permission to use your photo?
From FaceApp’s Terms and Conditions: ” You grant FaceApp consent to use the User Content, regardless of whether it includes an individual’s name, likeness, voice or persona, sufficient to indicate the individual’s identity. By using the Services, you agree that the User Content may be used for commercial purposes. “
According to this, they can use your photo as they like — including selling it.
To read more about their policy: