Downloadable computer software for modifying the appearance and enabling transmission of photographs and videos; Downloadable software for use in editing photos, recording and editing videos; Downloadable software to enable the transmission of photographs and videos to mobile cellular phones; Downloadable computer software for the collection, editing, organizing, modifying, transmission, storage and sharing of data and information; Downloadable computer software for use as an application programming interface (API); Downloadable software to enable uploading, downloading, accessing, posting, displaying, tagging, messaging, direct messaging, streaming, linking, sharing or otherwise providing electronic media or information via computer and communication networks; Downloadable software for streaming audio-visual media content via a global computer network and to mobile and digital electronic devices; Downloadable computer software which allows users to build and access social network information including address book, friend lists, profiles, preferences and personal data; Downloadable software for managing contact information in mobile device address books