Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Microsoft presents Windows Phone 8 in October 2012. Ahead of all, Microsoft is expecting its newly launched Windows Phone to become a strong challenger in the smartphone market. Notably, the Google's Android and Apple's iPhone devices are actually dominating the smartphone market. Yet, Microsoft is very positive to face the various challenges which are awaiting ahead. In fact, Microsoft has mentioned that the sales of the Windows Phone 8 should grow fast. Researchers have underlined that the Windows 8-based Lumia smartphones is the main element on which Microsoft's recovery hopes rest. However, competition is exteremely fierce on the global phone market. Official statistics have registered that Apple's share of the market rose to 14.9% during the third quarter of 2012. Analysts have also recorded that Microsoft sold more than four million upgrades of Windows 8 in the first weekend after its launch...