“I'd tell young Andy to do proper user testing — do it early, and do it often. I wasted almost an entire year without ever speaking to the people that are using what I'd built. And in one afternoon I found all of these UX issues.”

One afternoon of real user testing fixes what a year of building blind cannot

Skipping user conversations is the single most expensive shipping mistake. One afternoon of watching real users surfaced UX fixes that lifted revenue and usage almost overnight, after nearly a year of building blind.