Introduction SignalR is a pretty new and very exciting feature in ASP.NET. It offers a simple and clean API that allows you to create real time web applications where the server needs to continuously push data to clients. Common applications are chat, news feeds, notifications and multi-player games. For this exercise we’re going to build a simple chat application in ASP.NET MVC 4 using the power of SignalR. I presume that you already have the basic knowledge on ASP.NET MVC and how stuff works (e.g. ......