There is some more info. about it from someone who worked with Nelson on Zigzag: http://news.ycombinator.com/item?id=2501597 http://news.ycombinator.com/item?id

There is some more info. about it from someone who worked with Nelson on Zigzag: http://news.ycombinator.com/item?id=2501597 http://news.ycombinator.com/item?id=2501597