The document discusses the need for an API tier to support the growing demand for mobile applications and discusses how StrongLoop's Node.js and LoopBack platform can be used to build such an API tier to connect mobile and web applications to backend services and data sources in a highly scalable and performant manner. It provides an overview of StrongLoop's Node.js platform and LoopBack API framework and related DevOps tools for building, managing and monitoring Node.js and mobile backends.