You never know where conversations will turn with Jeff Kaufman. He goes barefoot, hates cucumbers, and donates fantastic chunks of his Google salary to charity.
Adrian led a pack of disbelievers in the claim that 0.999… = 1. “You’re crazy, Orlin,” he said. “You’ve lost your grip on reality. Snap out of it.” With my sanity under challenge (for neither the first nor the last time), I pushed back by offering the standard proof of the fact.