Windows Phone is a proprietary mobile operating system developed by Microsoft. It was launched as a successor to Windows Mobile, but does not provide backward compatibility with the earlier platform. Windows Phone was first launched in October 2010 with Windows Phone 7. The version history of the Windows Phone operating system then continued with the release of Windows Phone 7.5, Windows Phone 7.8, and Windows Phone 8. Although the market share of this operating system is limited, there is certainly a case for optimism based on the following two reasons:
The computer operating system market is still heavily dominated by Windows. This gives Windows Phone OS greater flexibility to provide users with a computer environment with which they are familiar.
Microsoft's decision to acquire Nokia could be a significant factor in improving its market share of mobile operating systems.
The following sections will describe more about Windows Phone 7, its features, and the underlying security...