Most episodes of Challenger Cities are a conversation with a guest. This one isn't. Shortly after publishing our whitepaper The Welcome Mat, a few listeners joined a live session to stress test the thinking and bring their own — which is a rather Challenger way of doing it, and only really possible when you can have Tokyo, Boston, Toronto and London in the same room.

Greg Dyson joins from Thailand, late at night, to explain why most Japanese stations are visually drab and work anyway: wayfinding that never changes, platforms that never move, and amenity provided in inverse proportion to frequency. Three-minute trains, nowhere to sit. Hourly trains, a heated waiting room. Which is roughly the opposite of how we do it.

Seth Hardy on reducing friction and increasing attachment, and the burger place in Copenhagen his family return to on e ...