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Is there any way of getting to the first 15 reputation (at which point you can actually do something) on Stack Overflow other than by asking questions?
My problem is this: if I see a good answer that works, I can't vote for it (not enough reputation). I have been programming for many years and often see a question I could contribute, but I can't (not enough reputation). I so far have never needed to ask a question (I know how to use a search facility, and so can find an already existing answer).
Therefore asking questions can't possibly be the only mechanism to get enough reputation to get started, can it? Because if it is then as more and more questions get asked on Stack Overflow, the need to ask new ones will diminish, so if this is the only mechanism of gaining those first few reputation, soon all new joiners will never be able to contribute, or will need to re-ask already answered questions (not good for anyone).
Advice on how to get those first few reputation gratefully received.