A method of enhancing data sharing between mobile or other computing device users includes receiving a submission request generated by user interaction with a first user interface on a first computing device, the submission request including content and associated submission data indicative of a recipient of the content, and updating a second user interface on a second computing device associated with the recipient to make the content available for display. The method may include sending a push notification to the second computing device indicating that the content is available for display for a period of time.