Repost of https://news.ycombinator.com/item?id=42421128 https://news.ycombinator.com/item?id=42421128 that was down-weighted in favor of https://news.ycombinato

Repost of https://news.ycombinator.com/item?id=42421128 https://news.ycombinator.com/item?id=42421128 that was down-weighted in favor of https://news.ycombinator.com/item?id=42419469 https://news.ycombinator.com/item?id=42419469.