Empower people to use their Google, Facebook, or Twitter account for sign up and log in, read this to get some clue: https://stackoverflow.com/questions/9499286/using-google-oauth2-with-flask
Empower people to use their Google, Facebook, or Twitter account for sign up and log in, read this to get some clue:
https://stackoverflow.com/questions/9499286/using-google-oauth2-with-flask