²⁸Due to the historical impact of Mosaic. Before Mosaic, the World-Wide-Web was just another distributed information system, and Mosaic gave the user a friendly tool for accessing the Web. Incidentally, Netscape is a descendant of Mosaic. The original programmers who wrote Mosaic, left NCSA to form a company to exploit their software. The original Mosaic (and updated versions) is still available from NCSA.