There was a nice summing-up by Bemmu Sepponen a month ago: https://news.ycombinator.com/item?id=5218268 https://news.ycombinator.com/item?id=5218268. See also

There was a nice summing-up by Bemmu Sepponen a month ago: https://news.ycombinator.com/item?id=5218268 https://news.ycombinator.com/item?id=5218268. See also this older thread: https://news.ycombinator.com/item?id=1970554 https://news.ycombinator.com/item?id=1970554.