Mathematician friends: why is tau all the rage these days? People got bored of pi?

@federicomena The tl;dr is that Tau represents the whole circle whereas pi only represents half the circle, so to do something like 3/4 of a circle is 3/4 tau as opposed to 3/4 (2pi).

@federicomena @craigmaloney here's the most important part for me:

“But pie is yummy" remains one of the more compelling arguments for clinging to the traditional ways of 3.14. But tauists have a response for this as well: on Tau Day you get to eat twice as much pie!

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