A method, system, and/or apparatus for automatically tracking and sending electronic reminder messages to a mobile user using the user's mobile device as a function of the user's tracked location. This invention is particularly useful in the field of social media, such as for detecting and tracking the location of a user and her community for actuating reminders based upon the user's location and/or the location of members of the community. The method or implementing software application uses or relies upon location information available on the mobile device from any source, such as GPS, cell phone usage, WiFi triangulation, and/or other device applications.