Sending you administrative messages and information, including about Messages in your inbox, Events, replies or questions from instructors or students, changes to the Services, and updates to our Terms of Use, and Privacy Policy;</li> </ul> <li>send push notifications to your wireless device to provide updates and other relevant messages (you can manage push notifications from the "options" or "settings" page for the mobile app);</li> <li>notify you in the Services about Events and that may be of interest to you;</li> <li>notify enterprise customers in the Services and through email about new features and digests of activity;</li> <li>enable users to communicate and interact;</li> <li>manage and remember your preferences,</li> <li>analyze and improve the Services;</li> <li>