
Quora is one of my favorite emerging social networks. The service is all about questions and answers, and the website does a great job of ensuring that’s the main focus. You can browse various topics and hear answers to questions from Why hasn’t someone built a dominant digital business card application for mobile? to What life lessons are counter-intuitive or go against common sense or wisdom? Now, after months in beta, Quora is unrolling Quora Credits, which allow people to earn questions for their hard work.




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