Woooops, that one totally flew over my head. Perhaps I shouldn't post when slightly tired :) Thanks very much for this. I expect that the simple design that I

Woooops, that one totally flew over my head. Perhaps I shouldn't post when slightly tired :) Thanks very much for this. I expect that the simple design that I (and others - https://news.ycombinator.com/item?id=14452315 https://news.ycombinator.com/item?id=14452315) posted was likely inspired by this - which is interesting!