This document provides an overview of Windows Phone and Windows Phone 8: - It outlines the history and timeline of Windows Phone, from Windows Mobile, to Windows Phone 7, and the upcoming Windows Phone 8. - Key details about Windows Phone 7 are highlighted, including the home screen interface and app switching. - Windows Phone 8 is said to feature an improved start screen, better sharing with NFC, paying bills in a smarter way, full Skype support, and the ability to write apps once for both Windows 8 and Windows Phone 8. - The document notes some disappointment that Windows Phone 8 may offer less support for current Windows Phone 7 devices beyond another update.