Nate Silver - "As Americans’ modes of communication change, the techniques that produce the most accurate polls seems to be changing as well. In last Tuesday’s presidential election, a number of polling firms that conduct their surveys online had strong results. Some telephone polls also performed well. But others, especially those that called only landlines or took other methodological shortcuts, performed poorly and showed a more Republican-leaning electorate than the one that actually turned out." This article presents detailed documentation of Pollster Accuracy and Bias, 2012 Presidential Election. The last line of the article: "Perhaps it won’t be long before Google, not Gallup, is the most trusted name in polling."