This document discusses the importance of experimentation for startups. It recommends that startups (1) think big but start small by breaking down their grand vision into testable assumptions, (2) focus on testing the value and growth hypotheses through experiments with early adopters, and (3) treat experiments as products by designing them to answer key questions before full development. An example is provided of Village Laundry Services, which tested assumptions about delivering laundry services through experiments before developing its final product.