ASP.NET 5 introduces a new concept called Tag Helpers. These are similar to the HTML Helpers you are probably familiar with from previous versions of MVC. The advantage to Tag Helpers over HTML Helpers, though, is the implementation syntax.
At the Connect() event this past November, Microsoft announced that ASP.NET 5 had reached Release Cadidate (RC), and that a 'Go Live' license was now available. Meaning you could now begin to build enterprise level, production ready applications. This