Lean or Agile: using kanban to build in quality

In lean, kanban is a kaizen tool to reach single-piece flow, and so build in quality through Jidoka. In other words, kanban is a learning tool. In agile, kanbans and burn-down charts are often used as execution tools to make the process more agile, but without any direct impact on quality. By rethinking the underlying principles of kaban and built-in quality we can shift the focus back on product quality in development projects. How to build-in quality into design, and why using kaban properly really matters.