What do the success of a browser, two websites, and an aggregate company have to do with the alleged downfall of Windows?
It's not right to compare Apple and Microsoft as companies, as they have their hands in so many different markets. If you want to talk about Windows being "over", talk about OSX vs 7 or MacOS vs Windows. Don't talk about half a dozen different things vs a company.
1993 is the year of the Linux desktop!