The document describes IBM Bluemix, a cloud platform for building, running, and managing applications. Bluemix provides flexibility with public, dedicated, and local deployment options. It utilizes open technologies like Cloud Foundry, Docker, and OpenStack. Developers can build apps using services for web, data, mobile, analytics, IoT and more. Bluemix supports multiple languages and frameworks. Its hybrid model allows apps to span platforms for improved portability and management.