While Netscape began with about 80% market share and a good deal of public goodwill, as a relatively small company deriving the great bulk of its income from what was essentially a single product (Navigator and its derivatives), it was financially vulnerable. The company's total revenue never exceeded the income generated by Microsoft's funds that were readily available for use. Microsoft's resources allowed them to make Internet Explorer available without charge, as the revenues from Windows were used to fund its development and marketing. As a result, Internet Explorer was provided free for all Windows and Macintosh users, unlike Netscape which was free for home and educational use but would require a paid license for business use; as it was told by Jim Barksdale, President and CEO of Netscape Communications: "Very few times in warfare have smaller forces overtaken bigger forces...".