Here’s the 5 year old HN story about the release of FB’s spam tool in Haskell:<p><a href="https://news.ycombinator.com/item?id=9784247" rel="nofollow">https://news.ycombinator.com/item?id=9784247</a><p>“The Haskell-powered Sigma now runs in production, serving more than one million requests per second.”