I added a cost/performance analysis for that at https://news.ycombinator.com/item?id=47509236 https://news.ycombinator.com/item?id=47509236 in case anyone's int

I added a cost/performance analysis for that at https://news.ycombinator.com/item?id=47509236 https://news.ycombinator.com/item?id=47509236 in case anyone's interested.