Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Windows Phone is a mobile operating system developed by Microsoft, and is the successor to its Windows Mobile platform. The system is primarily aimed at the consumer market as compared to its predecessor which targeted the enterprise market. Windows Phone was launched in the second half of 2010, with a release in Asia in early 2011. With Windows Phone, Microsoft created a new user interface, which featured its design language called Metro. In addition, the software is integrated with third party services and Microsoft services, and sets minimum requirements for the hardware - smartphone - on which it runs...