Microsoft Internet Explorer 5.0sp2

This numbering sometimes causes confusion. For context:

By the time Internet Explorer 5.0 debuted in March 1999, Microsoft was locked in a brutal market share battle with Netscape Navigator. Netscape had pioneered the commercial web, but Microsoft utilized its ultimate leverage: integrating Internet Explorer directly into the Windows operating system. microsoft internet explorer 5.0sp2

Moreover, the early adoption of the XMLHttpRequest object (originally developed for Outlook Web Access) allowed data to be exchanged between the browser and the server in the background. While IE5 didn't bring this technology to its full potential, it provided the essential foundation for the Ajax-driven web that would arrive a few years later. 4. Legacy and Conclusion This numbering sometimes causes confusion

But rarely do we talk about the quiet, stable middle child: stable middle child: