[brianbarker]

Some data scientists I work with prefer Julia or Erlang, but the real interest is now Spark. Since Scala works with Spark and is more of a datsci's type of language (similar to Julia, Erlang, functional languages), people are moving to it. Spark made Scala relevant and interesting.

[DrNuke]

This. But all three languages still very niche and worringly so, considering that Spark is niche too. Have they a future?