Communications with other users of Authorea’s services.</li> </ul> <p>In order to access certain content and to make use of additional functionality and features of Authorea’s websites and services, we may ask you to register for an account by completing and submitting a registration form, which may request additional information.</p> <p>If you choose to register and sign in by using a third-party account (such as your Facebook account), the authentication of your login is handled by the third party, and any personal information collected during that third-party login is not covered by this policy.