Infinite series Memes

Nothing says "I'm a fun food company" like asking customers to solve the Riemann zeta function for s=1. That's just a casual little infinity problem mathematicians have been stuck on for centuries. Good luck getting that free bag of fenugreek seeds and personal high five from Anthony—you'll need to disprove basic calculus first. The perfect test to see if your organic legume customers have Fields Medals gathering dust at home.