http://er.aera.net Educational Researcher DOI: 10.3102/0013189X09336674 2009; 38; 274 EDUCATIONAL RESEARCHER Jianwei Zhang Teachers Toward a Creative Social Web for Learners and Comments on Greenhow, Robelia, and Hughes: http://edr.sagepub.com/cgi/content/abstract/38/4/274 The online version of this article can be found at: Published on behalf of http://www.aera.net By http://www.sagepublications.com can be found at: Educational Researcher Additional services and information for http://er.aera.net/cgi/alerts Email Alerts: http://er.aera.net/subscriptions Subscriptions: http://www.aera.net/reprints Reprints: http://www.aera.net/permissions Permissions: at UNIV OF TENNESSEE on November 16, 2009 http://er.aera.net Downloaded from