Sampling strategies will be altered once it is proven that current strategies are faulty. However, current strategies are for them most part accurate as polling prior to the 2012 election was within the margin of error.
Sure, they describe it as supplementary analysis and inormation, but that's what the Roman Augurs called it too ~ gossip, innueno, bird poop on the courtyard!!!!!
It hasn't changed. But the polling methods in use for the last 50 years MUST change!