Chains including Mod Pizza and Blaze Pizza are offering free food or discounts for Pi Day. Here's how to get them.
12:00pm PDT - March 11th, 2020 pi day - Business InsiderPi Day is upon us, and so are its pizza promotions. You can get free pizza and large discounts at several popular pizza chains on March 14. From Mod Pizza's free pizza with a $3.14 purchase to Pieology's buy one, get one for $3.14, here's how you can put a li…