What does it mean to 'do' Continuous Integration? It used to be enough to execute your unit tests in CI. But the bar is steadily raising for engineering practices. In the last decade we've seen tremendous improvements in acceptance testing. JavaScript is now a platform in it's own right. Cloud computing is now vital. There's growing interest in deployment to prod. So Continuous Integration is under more pressure than ever. As the bar slowly raises for engineering practices, we’ll present 2011's minimum viable feature set for Continuous Integration.