Another point - a version of "do things that don't scale", sign up your first 100 customers door-to-door I'm guessing this advice shouldn't be taken completely

Another point - a version of "do things that don't scale", sign up your first 100 customers door-to-door I'm guessing this advice shouldn't be taken completely literally, but rather, the point is that one shouldn't fear signing up your first 100 customers in an unscalable, high-touch way. In fact, he seems to argue that by doing it this way you are more likely to get real, raw, and candid feedback from those users