Continuous Integration (CI) has grown from simply building and testing software frequently, to a broadened reach into build, test, and deploy automation; deploys to VMs/""The Cloud""; and even predictive modeling. This presentation will cover history & elements of CI, implementation approaches, the rise and fall of some popular CI tools, and future direction. This topic is relevant to current trajectories in software engineering including Agile, DevOps, and large scale computing.