The document summarizes research by Bersin & Associates on virtual classrooms. It discusses the evolution of learning and development bringing increased use of virtual classrooms. It defines virtual classrooms as synchronous online learning conducted in a group setting facilitated by an instructor. The document outlines various virtual classroom providers and technologies, features and functions, best practices, and how to get started with and adopt virtual classrooms. It encourages following Bersin & Associates for further updates on their research findings.