I don't see how that's a very good measure at all. Nevertheless, in the haskell companies I've worked at, we've used haskell for network packet inspection (not

I don't see how that's a very good measure at all. Nevertheless, in the haskell companies I've worked at, we've used haskell for network packet inspection (not programming) and marketing automation. In both, our frontend was dependent on Haskell as well: in the former, through purescript, and in the latter, directly using reflex-js. You'd never know it interacting with our site.