Early on, this was a motivator for me to contribute to StackOverflow. I'd look at questions that I sort of maybe knew the answer to, but the question was a rea

Early on, this was a motivator for me to contribute to StackOverflow. I'd look at questions that I sort of maybe knew the answer to, but the question was a reasonable excuse to dive into more details and understanding so I could better communicate and answer the question. It was great way to get some arcane details about how things work. It's also related to that phenomenon of the process of writing out a sufficiently detailed question to a problem ends up answering the problem for you.