The Metro design language is becoming an intrinsic part of the Microsoft user experience. Already, we can find it on Zune (where it all started), Windows Phone 7 (where it was refined and perfected), Xbox, Windows 8, as well as on the Microsoft.com website. In this session, we will dive into the history of this design language, study its characteristics and show tips and tricks to implement Metro user interfaces in Windows Phone and Windows 8.