A computerized system and method are presented that creates implicit content on a mobile device by monitoring and recording input from sensors on the device. Metadata from the implicit content and from user-created content is then analyzed the purpose of event identification. Using the metadata and event identification, the content is created into clusters, which can be confirmed by the user as actual events. Events can then be grouped according to metadata and event information into a presentation grouping. Presentation groupings can be presenting using a map and timeline interface. The system augments content concerning an event by searching for related content. Users viewing the presentation grouping can add additional user content. The system can also add content from users that attended the same event.