I'll just leave my tweeted photo from ElixirConf right here.
https://twitter.com/pmarreck/status/650430959951593472
That was a live survey done during the session. The long yellow bar, in case it's hard to read, represented Ruby.
It's not that hard to see why: https://speakerdeck.com/mosic/elixir-at-evercam?slide=6