Since the introduction more than two months ago, the Beta development milestone of Internet Explorer 9 has gained nearly 13 million downloads. Moreover, Internet Explore 9 takes the responsibility for the largest Beta testing program in the history of Microsoft.
After the IE9 Beta was introduced in mid-September 2010, Two development milestones carried to adopters and developers soon. The Internet Explorer 9 Platform Preview 7 Build was moved to testers on November 17. Of course, now IE9 PP7 is the quickest browser in terms of JS in the world, the results of the SunSpider benchmark said.