: the small forces behind tomorrow's big changes Penn, Mark J E. Kinney Zalesne creator text New York Twelve Hachette Book Group 2007 monographic xxi, 425 p. : ill. ; 23.5 cm. Includes index. Management sciences Social aspects Internet marrieds Social influence Social change Working retired Wordy women RSBM 303.4973 PEN 9780446580960 (hb) 20260819151609.0