Uses only Robo calls and Internet, no cell phones, which means you'll get more older voters not including cell phones
http://projects.fivethirtyeight.com/pollster-ratings/
Gets a ranking of C+
http://fivethirtyeight.blogs.nytimes.com/2012/11/10/which-polls-fared-best-and-worst-in-the-2012-presidential-race/Edited by Webbster at 09:24:28 on 09/22/16