Simon & Schuster Inc. has launched Simon & Schuster on Foursquare, a location-based mobile social networking community of more than 5 million users that allows them to "check in" at their location.
Howard Gordon
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Simon & Schuster Inc. has launched Simon & Schuster on Foursquare, a location-based mobile social networking community of more than 5 million users that allows them to "check in" at their location.