If you use the Twitter Sign-In feature, there are a few privacy requirements you must implement. Learn about the requirements in this short presentation. Read the related blog article here: https://termsfeed.com/blog/privacy-policy-sign-in-twitter/
Twitter(1) allows its users to sign in, log in, or create accounts with other websites and mobile apps by using the "Sign In With Twitter" feature that you’ve probably seen implemented before.
(1) Link to https://twitter.com/?lang=en
If you’re considering providing the Twitter sign-in button on your website and/or mobile app, there are a few requirements for implementation when it comes to privacy issues.
TheTwitter Developer Policy(2) requires you to have a Privacy Policy agreement in place if you integrate the "Sign in with Twitter" button.
(2) Link to https://dev.twitter.com/overview/terms/policy
Twitter requires thatexpress consent is obtained before your appinteracts with users’ Twitter accounts in certain ways, such as:
Taking any actions on a user’s behalf, including posting content, following or unfollowing users, storing non-public content, or using a user’s content to promote a commercial product or service
This consent can be asked for at the time the user is prompted to enter Twitter sign-in information.
Here are a number of examples of websites and mobile apps that use Twitter sign-in, how they use the sign-in button, and how they have adjusted their Privacy Policies to meet these legal requirements.