In every Scrum class I get asked how to deal with interrupt-driven work. Scrum is very effective when dealing with planned work, but what about unplanned work that appears during a sprint? Can we use Scrum to deal with both plan-driven and interrupt-driven work? Yes, if there is statistical predictability to the must-do-now interrupt-driven flow stream. Let’s dissect what that means and how to apply it. Flow Streams Imagine there are two streams of work, each with different flow characteris...