This document provides an overview and introduction to CQ5: 1. It discusses the history and evolution of enterprise content management (ECM) systems from the 1990s to present day, highlighting how CQ5 represents a "reboot" of ECM by addressing past issues. 2. Details are given about the key capabilities and features of CQ5, including its use of standards-based technologies like Apache Sling and Jackrabbit, and its support for web content management, digital asset management, and business process management. 3. A roadmap is presented for future releases of CQ5 and related products, with the goal of delivering a fully featured and tested platform for managing web content and digital