[roel_v]

I don't think that's what he/she meant, I don't even think the 'kanban' was about Trello. It's about taking something relatively simple, then honing it to perfection. That is how you make great stuff - not by building something huge that only works most of the time, and even then only satisfactory. Kanban is about small improvements every day, for many days, applying the power of compounded improvement so to say.