The advertising industry's prime task is to ensure that uninformed consumers make irrational choices, thus undermining market theories that are based on just the opposite.
Prediction is very difficult, especially if it‘s about the future.
-- Anon, Origin unknown to me. Has been attributed to: Niels Bohr, Samuel Goldwyn, K. K. Steincke, Robert Storm Petersen, Yogi Berra, Mark Twain, Nostradamus and doubtless others
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