I\'m trying to use the new MVC5 framework in VS 2013 preview.
The membership authentication framework has been overhauled and replaced with OWin.
OWin
The following post details on how you can get extra data from the social providers http://blogs.msdn.com/b/webdev/archive/2013/10/16/get-more-information-from-social-providers-used-in-the-vs-2013-project-templates.aspx