I've found looking at data from StackOverflow to be pretty useless. "Number of questions asked" could very easily be interpreted as a negative thing -- maybe th

I've found looking at data from StackOverflow to be pretty useless. "Number of questions asked" could very easily be interpreted as a negative thing -- maybe there's some ideal ratio of questions asked to raw usage numbers that would be more useful. Additionally the set of developers who ask a lot of questions on SO does not extrapolate to the wider industry.