An Upstart Challenges the Big Web Browsers:
Browsers have always been viewed as crucial on-ramps to the Web. Nevertheless, after vanquishing Netscape, the first commercial browser developer, Microsoft waited five years before releasing the sixth version of Internet Explorer in 2006. Dean Hachamovitch, general manager of Microsoft’s Internet Explorer group, says the company was focused on plugging security holes during that time.
[Emphasis added. —R]