A brief overview of using cellphones and Twitter for teachers and their classrooms.(Still in Rough Draft stage). My growing wiki for related resources is here: http://caspersontest.pbworks.com/Cellphones-and-Twitter
6. CC by stevegarfield http://farm4.static.flickr.com/3284/3287372663_fe2b1ca313_o_d.jpg
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8. CC by Mark Hamm http://farm4.static.flickr.com/3466/3383916444_bbd1947b0a_o_d.jpg CC by jmiles http://farm4.static.flickr.com/3278/2772265449_77222fc527_o_d.gif