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Viele wissen mehr als Einer by Jon Spector How to make use of for your business hidden talents of crowds... by Jon Spector We Are Smarter Than Me by Barry Libert Crowdsourcing by Barry Libert 9 Rules for Successful Crowdsourcing by Barry Libert Tapping Into the Collective Wisdom of Community to Make Great... by Barry Libert Crowdsourcing Your Sales by Barry Libert Know Your Fans by Barry Libert Crowdsourcing Customer Service by Barry Libert Crowdsourcing Can Be Your Business Momentum Builder by Barry Libert


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