Before the release of Windows Vista, expectations for the new operating system were high fueled by both promises of new features, higher security, and an improved user interface, as well as the five year period since the release of Windows XP from MicroSoft. As a result, many consumers and businesses planned on upgrading to Vista. However, after its release, it was met with harsh criticism, as reflected by its title from PC World as the biggest tech disappointment of 2007 and from InfoWorld as #2 of Tech's all-time 25 flops.The market share for Windows Vista, taking the median from various sources, was 9.03% as of February 2008. Though MicroSoft sold 20 million copies of Vista which is double higher than XP installations in 2001, but critics says Vista is nowhere near XP and disappoints both consumer and business users. However, PC World reports that adoption of Windows Vista is going at a much slower rate compared to the adoption of Windows XP. The market research firm’s data sh...