Eyal, Nir. <br/><br/>
Hooked :  how to build habit-forming products / 
Nir Eyal with Ryan Hoover. 
 - London :  Portfolio Penguin,  2014. 
 - 242 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographical references (p. 225-242) 
<br/><br/><label>ISBN: </label>9780241184837 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Consumer behavior.<br/>New products--Psychological aspects.