The document discusses a class on digital ecosystems. It provides definitions of ecosystems from various sources, emphasizing the interaction between components and the flow of energy/information. A digital ecosystem is defined as a distributed, scalable network that allows free flow of data between nodes. Examples discussed include the internet and product ecosystems. Platforms and information ecosystems are also discussed, noting the value is in the system, not individual components. The class will cover building digital ecosystems around brands across multiple online and offline platforms.