In a perfect world, we would write code once and run it everywhere. Well this is not a perfect world, but we are getting closer. Windows 8 and Windows Phone 8 both run on XAML and C#, and allow reusing tools, skills and a fair percentage of code. In this session, Laurent Bugnion, the creator of the MVVM Light Toolkit and an expert in XAML development, will present ways to share code (such as using the Portable Class Libraries) and how to structure your applications to minimize the amount of non-reusable code. We will also leverage modern development tools (Visual Studio, unit testing, Expression Blend) to see how we can adapt our skills and build apps for multiple platforms.