Semmelhack, Peter, 1965- Social machines : how to develop connected products that change customers' lives / Peter Semmelhack - New York : John Wiley & Sons Inc, 2013 - 256 p. ; 24 cm. Companies like Facebook and Twitter have redefined social interaction. ISBN: 9781118471685 Subjects--Topical Terms: Internet marketingSocial mediaSocial networks Subjects--Index Terms: Tương tác xã hội Dewey Class. No.: 302.3 / SEM