James WallisA reminder to non-Americans: assigning Pi Day to 22nd July is not only more accurate than 3.14 (22/7 is 3.14285), it's also more likely to annoy Americans.
Neil Carpenter 
@jameswallis I'm onboard with having both an Imperial and a Metric Pi Day.
eyajpng@neilcar @jameswallis And then all your circles change diameter every time you cross the border? No thank you!
@jepyang @jameswallis If things are calibrated just right, your wheels automatically transition from mph to kph at the border.