If you open Visual Studio 2013 and click “File > New Project > ASP.NET MVC”, you will notice that Twitter Bootstrap is now built in to the program. This video walks you through what that means, how it impacts your development experience and how to get the most out of Twitter Bootstrap and ASP.NET MVC to produce functional and visually pleasing solutions.
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Video source: http://tv.ssw.com/4875/twitter-bootstrap-asp-net-mvc-intro-quickstart