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For all of you, , talk, , , and Quondum, the subject of tau isn't just some ""crackpot"" opinion made up by idiots, it has been a subject of debate amongst the more progressive mathematicians. It appears on TED and on math channels. Legitimate arguments come up frequently on the subject of its simplicity (for example, tau/4 corresponds to 1/4 the unit circle, or pi/2, since 2pi = tau). Criticize the argument, not always those who made it up. Oh, and look at this video (https://www.youtube.com/watch?v=jG7vhMMXagQ).    https://www.youtube.com/watch?v=jG7vhMMXagQ"