Thanks - we've merged the comments from https://news.ycombinator.com/item?id=45772579 https://news.ycombinator.com/item?id=45772579 into this thread, which had

Thanks - we've merged the comments from https://news.ycombinator.com/item?id=45772579 https://news.ycombinator.com/item?id=45772579 into this thread, which had that original source.