Microsoft gave the public a much deeper look at Windows 8 at the D9 Conference. The new Windows 8 user interface and apps will work with or without a keyboard and mouse on a broad range of screen sizes and pixel densities. The result looks a lot like Windows Phone, but it has a lot of the underpinnings of Windows 7. Microsoft has redesigned the keyboard into a more ergonomic thumb-typing interface for handheld touchscreens. The company also unveiled the Internet Explorer 10 with touch as the primary interface.”]
Source: https://betanews.com/2011/06/01/windows-8-the-lovechild-of-windows-phone-and-windows-7/