Take a lightning tour of the many connectivity options for Windows 8.1 and Windows Phone 8.1 Store Apps. There are more than ever before: HTTP networking APIs, NFC and Bluetooth including ‘tap to connect’ and WebApi REST services are just the tip of the iceberg. See how to build apps that work with DataSense 2.0. Store settings and data in Microsoft OneDrive. Share state between a Windows Phone 8.1 app and the Windows 8.1 version of your app. See some practical demos, such as how to implement compression with HTTP networking and how you can handle credentials when accessing services that require user authentication. We’ll also take a quick look at building a mobile back end with Microsoft Azure Mobile Services and connecting with it from your app.
ASP.NET Identity is a totally rewritten framework that brings the ASP.NET membership system into the modern era. ASP.NET Identity makes it easier to integrate different authentication systems such as local username, password as well as social logins such as Facebook, Twitter etc. It also gives you greater control over persisting data to your backend technology of choice. ASP.NET Identity is a game changer by bringing in more modern authentication systems such as Two-Factor Authentication. You can use ASP.NET Identity to secure Web Apps as well as Web APIs.