[jarcane]

merely that F# apps are not usually massive distributed systems.

That's not really true, there's quite a lot of F# use for "big data"/"data science" stuff going on, and one of the other big sells is use for financial analysis (hell, even one of the official tutorials centers around processing raw stock price data).

I would also say that it does appear Clojure is getting some strong uptake in web dev on the JVM, thanks largely to the quality of some of the APIs and libraries for both Clojure and Clojurescript. It's quite possible and even easy to develop your entire web stack in Clojure (I'm currently doing just that at work right now). Heck, if you want to shell out for it, you can even use Datomic and have a database that's built in it ...