This document discusses monetizing multi-tenancy and leveraging network effects in software-as-a-service (SaaS) ecosystems and revenue models. It presents case studies of different SaaS vendors that exploit the revenue potential of network effect data and SaaS ecosystems through subscriptions, ecosystem partnerships, network effect data, services, and other revenue streams. The document emphasizes how SaaS vendors can derive value from and add value to their ecosystems and leverage network effects through aggregated customer data.