I agree. I'm not sure what the whole buzz about Q&A is right now. Stack Overflow certainly fills a niche that had, before, been filled by lots of independent "

I agree. I'm not sure what the whole buzz about Q&A is right now. Stack Overflow certainly fills a niche that had, before, been filled by lots of independent "specialist" forums. Having that community under one roof is great, there are a lot of subjects with strong similarities. The badges system appears to allow good self moderation. The value in Quora was the presence of an unusually large number of "over achievers". Most of the people on there are doing very well for themselves in the technology world, and found the questions interesting. Now Quora is expanding, I don't see the added value any more. Really, how is this different to all of the other q&a services on the internet. The Stack Overflow approach of creating separate communities will probably work better than Quora, whose original community is being diluted, not expanded.