After almost six years, Ben has stepped away from day-to-day work on Tuple and moved to its board. Friend of the pod Aaron Francis interviews Ben about the whole beautiful, complicated, enriching experience. As a treat, the boys dive into what's next for Aaron as well.

37signals have talked a lot about how they build new features for existing products using Shape Up, where they carefully hammer the scope to avoid letting anything ever drag on for more than six weeks. But there's not a lot of information out there about how they approach new product development,...