We already know what we think, the interesting bit is hearing what other people think. Discussion is important. Challenging conceptions is important. Whether we ultimately end up changing or simply reaffirming our opinions, the process we go through, the validation, the testing, the consideration, is what separates the ignorant from the informed, the dumb from the deliberate. Matthew Bischoff, formerly of the New York Times, now of Tumblr, tackles this beautifully on Medium:
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