TY - BOOK AU - Gallo,Carmine TI - The power of Foursquare: 7 innovative ways to get your customers to check in wherever they are SN - 9780071773171 PY - 2012/// CY - New York PB - McGraw-Hill KW - Business enterprises KW - Computer networks KW - Internet marketing KW - Location-based services KW - Online social networks N1 - Includes bibliographical references and index ER -