Mosaic was the first readily available and widely distributed browser to provide multimedia capabilities and a graphical user interface (GUI) for viewing files on the Internet and World Wide Web (WWW or Web). A GUI Web browser is graphics-based software that easily allows users to view HTML (HyperText Markup Language) documents and access files and software associated to those documents within the Web through images such as icons, dialog boxes, and menus. (Mosaic is often used as the generic term for any graphical browser.) During the early 1990s the National Center for Supercomputing and Applications (NCSA) within the University of Illinois at Champaign-Urbana developed Mosaic. Mosaic, whose copyrighted name is NCSA Mosaic, helped to ignite the enormous interest in the Web during its first decade of existence. Mosaic is usually considered to be the software that introduced the World Wide Web (and the Internet) to a worldwide audience...