Providing content and/or functionality through a display of a locked computing device. Configuration data defined by a user or application vendor identifies the content and/or functionality to be made available. Upon receipt of the content, the computing device modifies the received content based on the configuration data and provides the modified content to the user through the display of the locked computing device. The computing device also interacts with the user in accordance with the functionality identified by the configuration data. In some embodiments, notifications about voice mail or electronic mail messages are displayed to the user through a locked touch screen display. Responsive to a finger tap or other user input, additional yet limited information relating to the notifications is displayed.