Using Claims in your Web App is Easier with the new OWIN Security Components

http://blogs.msdn.com/b/webdev/archive/2014/02/21/using-claims-in-your-web-app-is-easier-with-the-new-owin-security-components.aspx

http://blogs.msdn.com/b/webdev/archive/2014/03/28/owin-security-components-in-asp-net-openid-connect.aspx