The document discusses crowdsourcing and lead users in product development. It defines crowdsourcing and describes its uses, including crowd funding, crowd labor, crowd innovation, distributed knowledge, and crowd creativity. Crowdsourcing can be used for tasks like debugging, advertising, proofreading, and surveys. It also discusses using crowdsourcing for innovation, aesthetics, and branding. The document advocates building the crowd into products and challenges the reader to find internal projects that could utilize crowdsourcing with a small budget.