Microsoft even copied the "Wow" ad campaign
While you probably have noticed that a lot of Vista's features have been available in Mac OS X for ages, you may hardly believe that Microsoft has also got inspiration for its Vista's advertisement campaign from... Apple.
Look at these pictures taken at Apple WWDC (August 2006): Bertrand Serlet, Apple's Senior Vice President, explains that not only applications developed by Apple are functional and easy to use but they also provide the "Wow effect".
Dear Microsoft: ... after establishing your Development and Research Department in Cupertino did you move there the Marketing Department?