title: What factors could determine whether Clojure, Scala or Haskell will gain traction?
body: <p>Given that it's impossible to see into the future, what factors related to Clojure, Scala or Haskell are likely to determine whether one of them catches on?</p>
  
  <p>Are there cultural or economic issues that could give one of these languages an advantage over the others?</p>
  
  <p>Or are none of these languages likely to gain traction because of their conceptual complexity?</p>