Anecdotally, awful. Especially at the very early stages of customer discovery, you lose so much resolution in the answers. I didn't go into it in this article

Anecdotally, awful. Especially at the very early stages of customer discovery, you lose so much resolution in the answers. I didn't go into it in this article because it was out of scope, but stories are much better than simple facts. I always tell Startup Weekend teams I'd rather they talk to 10 people than get 10,000 survey results.