The book discusses how decentralized, leaderless organizations like Skype, Craigslist, Wikipedia and open source software operate similarly to starfish, which can regrow lost limbs. These "starfish organizations" have horizontal structures without clear leaders, allowing anyone to contribute. They are resilient as there is no central point of failure. However, profits may decrease as industries decentralize. The book provides principles for understanding and managing starfish organizations, and discusses how companies can benefit from incorporating some of their properties.