Computer software for group collaboration over the internet; Computer software to enable social communication over the internet; Computer software to enable social communication via mobile device interfaces; Computer software for searching information; Computer software for subscribing to notifications over the internet or mobile devices; Computer software for use as an application programming interface (API); Application programming interface (API) for computer software which facilitates online services for social networking, building social networking applications and for allowing data retrieval, upload, download, access and management; Computer software to enable uploading, downloading, accessing, posting, displaying, tagging, blogging, streaming, linking, sharing or otherwise providing electronic media or information via computer and communication networks; Computer software for mobile devices for organizing, viewing, editing and enabling the transmission of photographs; Computer software for productivity, namely, for use in planning and organizing events via a calendar or social calendar, and for managing contacts and groups of contacts via an address book; Computer software for video games