Downloadable computer software applications for use in social networking; Downloadable computer software applications for modifying and enabling transmission of images, audio, audio visual and video content and data; Downloadable computer software applications for viewing and interacting with images, audio, audio-visual and video content and associated text and data; Downloadable computer software applications for sending electronic message alerts and reminders via the Internet; Downloadable computer software applications for sending and receiving electronic messages via the Internet; Computer games programmes downloaded via the internet; Downloadable computer software applications for creating, uploading, downloading, accessing, posting, displaying, tagging, blogging, streaming, linking, sharing and otherwise providing electronic media and information via computer and communication networks; Downloadable computer software applications for the collection, managing editing, organizing, modifying, transmission, storage and sharing of data and information