Also discussed at https://news.ycombinator.com/item?id=46744892 https://news.ycombinator.com/item?id=46744892 and https://news.ycombinator.com/item?id=46745047

Also discussed at https://news.ycombinator.com/item?id=46744892 https://news.ycombinator.com/item?id=46744892 and https://news.ycombinator.com/item?id=46745047 https://news.ycombinator.com/item?id=46745047 (flagged)