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.