Brogan, Chris. <br/><br/>
Trust agents :  using the web to build influence, improve reputation, and earn trust / 
Chris Brogan and Julien Smith. 
 - Rev. and updated. 
 - Hoboken, N.J. :  John Wiley,  c2010 
 - xiii, 302 p. :  ill. ;  23 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780470635490 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet marketing.<br/>Internet marketing.<br/>Online social networks--Economic aspects.<br/>Social media--Economic aspects.<br/>Social networking--Economic aspects