Just a side note about Stackoverflow. How can one build a reputation if almost all questions are already being asked? For such recommander system it pays to be an early adapter. Or am I wrong? I use the site much, but find it hard to do something useful as a beginner. (just pondering about algoritms behind such behavior)
@mesmoiron Try answering questions that have low traffic tags
For example, I used to try to answer general python questions, but those questions usually get 5 answers within ten seconds of being posted, so I started looking at more specific tags within python, such as jupyter notebook, numpy, etc.