Look over the last 10 years... http://visual.ly/popularity-programming-languages http://visual.ly/popularity-programming-languages That's search popularity, bu

Look over the last 10 years... http://visual.ly/popularity-programming-languages http://visual.ly/popularity-programming-languages That's search popularity, but that likely correlates well with actual use. 10 years is nothing to large enterprises, where the huge majority of programmers work. My company has files that haven't been touched in 6 years and still work - why change languages?