Downloadable computer software for enabling transmission and viewing of photographs, videos, and multimedia content in the field of weight loss, sports performance, health, fitness, and wellness-related goals; downloadable computer software for enabling transmission of photographs, videos, and multimedia content; computer software for the collection, editing, organizing, modifying, transmission, storage and sharing of data and information; computer software for use as an 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 diarizing, tracking and calculating food intake, athletic performance, physical activity, weight control and weight loss, recipe cataloguing and creating