> I studied Scala and FP > Bi-weekly we have a book club where we take turns presenting a topic from functional programming in Scala, functional reactive domai

> I studied Scala and FP > Bi-weekly we have a book club where we take turns presenting a topic from functional programming in Scala, functional reactive domain modelling and others. I think this is precisely why a former eng director at Twitter is quoted as saying he'd do Twitter in Java if he started over again. You have to spend a lot of time studying Scala. This is a no-go for any big org that wants to be efficient at horizontally scaling up engineers. It works great for small teams or orgs that don't need to hire engineers like crazy.