Computer application software for mobile phones or mobile devices, namely, software for storage, syncing and sharing of contact information; computer application software for mobile phones or mobile devices, namely, software for storage, syncing and sharing of contact information with contextual tagging and organization based on timestamp, location tagging or geotagging and contact modification; computer application software for mobile phones or mobile devices, namely, software for use in database management, use in electronic storage of data, use in contact management, contact storage, data sharing, contact sharing, data modification contact modification, geotagging, time/date tagging, data search, and contact search; computer application software for portable media players, or handheld computers, namely, software for use in database management, use in electronic storage of data, use in contact management, contact storage, data sharing, contact sharing, data modification contact modification, geotagging, time/date tagging, data search, and contact search; computer software for the collection, editing, organizing, modifying, book marking, transmission, syncing, storage and sharing of data and information, namely, software utilizing contextual information of timestamps, modification history and location tagging or geotagging; computer software for creating searchable or sortable databases of information and data; computer software for correlating modification events in contact lists with particular times and/or locations; computer software for creating searchable or sortable databases of information and data, namely, software for correlating modification events in contact lists with particular times and/or locations; computer software for creating searchable databases of information and data; computer software for the collection, editing, organizing, modifying, book marking, transmission, syncing, storage and sharing of data and information; computer software for creating searchable or sortable databases of information and data, namely, software for correlating modification events in contact lists with particular times and/or locations; computer software for contextual tagging and organization based on timestamp, location tagging or geotagging and contact modification; computer software for the databasing, visualization, manipulation, virtual reality immersion and integration of geographic information with on-line member communities