The document discusses Mobile Backend as a Service (MBaaS). It defines MBaaS as a platform that provides backend cloud infrastructure and services for mobile applications. This allows developers to focus on front-end development instead of building complex backend functionality. The document outlines the typical components of MBaaS, how it has evolved over time due to challenges in mobile development, and use cases like accelerating enterprise mobile app development. It also discusses considerations for choosing a MBaaS platform, pricing approaches, and the synergy between MBaaS and Platform as a Service.