Microsoft says, Windows 8 will be Released in 2012

Microsoft window 7 is now one year old and got a great positive response from user due to its performance and interface. Microsoft Netherlands has mentioned in their blog post that windows 8 will hit the market after two years.
However Microsoft avoided commenting on this post, but leaked slides of windows 8 reveals that the next version is loaded with the app store for windows, power efficiency enhancement, sleep times and startup improvement.