Crowdsourcing is a method of obtaining ideas, content, or solutions from an online group of people. It allows companies to access a wide range of intellectual property and ideas from customers and others. The document discusses how crowdsourcing has been used successfully in product development, marketing, and other areas. It also outlines some challenges of crowdsourcing, such as defining problems clearly and incentivizing participation. The document provides tips on best practices when crowdsourcing, such as maintaining a diverse group of participants and recognizing contributions. It also gives examples of how companies like Coca-Cola, Unilever, Nokia, and Starbucks have utilized crowdsourcing.