In the end, after all the unskewing, the re-weighting and the hand-wringing, the polls were right — for the most part. …
But the election also showed the polling industry is still facing increasing challenges related to how the various polls are conducted. The demographics of the country are changing, and the way in which Americans communicate with one another is changing even faster; both of these movements are significant threats to the future of telephone polling, whether conducted by live interviewers or automated computers. [cont.]
Steven Shepard, National Journal