Survey now says…

Political campaigns are won and lost on Election Day, but that has never stopped candidates, news organizations and interest groups from feverishly speculating about the state of public opinion in the weeks, months and perhaps years before a voter ever sees a ballot.

But the way pollsters assess the mood of a given electorate has changed dramatically in the past decade. That is poised to transform even more as the way people communicate continues to move on from the analog methods of the past.