Atkinson, Cliff <br/><br/>
The Backchannel  : how audiences are using twitter and social media and changing presentations forever 
Cliff Atkinson 
 - Berkeley, Ca  New Riders  2010 
 - 240 p.  23 cm. 
<br/><br/><label>ISBN: </label>9780321659514 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Multimedia; Social Media
<br/><br/><label>Dewey Class. No.: </label>005.5822  / ATK