Publishing is the activity of making information, literature, music, software and other content available to the public for sale or for free. Traditionally, the term refers to the distribution of printed works, such as books, newspapers, and magazines. With the advent of digital information systems, the scope has expanded to include electronic publishing such as ebooks, academic journals, micropublishing, websites, blogs, video game publishing, and the like. Publishing may produce private, club, commons or public goods and may be conducted as a commercial, public, social or community activity.