Microsoft: IE 9 is the most important IE launch in company history
“Microsoft’s Internet Explorer platform is hurting; it is facing stiff competition from Google, Mozilla, and a host of other vendors who want their piece of the consumer pie. While Microsoft has been publicly pushing IE 9, internally, Microsoft knows that if this version of IE doesn’t make waves with the consumers, it will give up the title as the most used platform for browsing the web.”
http://www.neowin.net/news/microsoft-ie-9-is-the-most-important-launch-of-ie-in-company-history