As a sidenote, which relates to what people are interested in, I have noticed that questions of type "Is blah used in the industry", or "X vs Y language for OR" get overwhelmingly more attention than technical questions. My most successful answer by far is MATLAB vs Python:
or.stackexchange.com/a/4174/1228 (I think it's one of the most upvoted answers ever), which feels kind of silly compared to the difficulty of some of the other questions I've answered.