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A flash mob, is a crowd of people that seems to appear out of nowhere, all preforming a specific action. In reality it is a preplanned meeting, usually organized through blogs, Facebook, or other social networking sites.
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You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
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