This document discusses sharing content online and provides an overview of content sharing, copyright, and Creative Commons licensing. It begins by explaining how the internet has changed content sharing by putting information at people's fingertips and making copying and participation in culture easy. It then discusses how these changes impact businesses and their approaches to pay-to-view, non-commercial sharing and remixing of content. The document outlines the basics of copyright and introduces Creative Commons licenses as alternatives to traditional "all rights reserved" copyright that allow for various levels of commercial use and adaptations of content. It concludes by exploring different ways Creative Commons licensing is used in practice, including for publicity, community building, improving one's work, and working in an open manner.