I'd never heard of them until a few days ago, then this article mentioned them: https://news.ycombinator.com/item?id=42737510 https://news.ycombinator.com/item?

I'd never heard of them until a few days ago, then this article mentioned them: https://news.ycombinator.com/item?id=42737510 https://news.ycombinator.com/item?id=42737510