AD IT UP: The most tech-enabled classrooms should abuzz with activity and energy similar to that of creative ad agencies (a la Sterling Cooper Draper Pryce?) and less like factories, argues Justin Reich. "The most interesting debate in education technology today is not about tablets vs. laptops or school-supplied tablets vs. bring-your-own-device scenarios. The choice is really between two metaphors and two visions of education--the factory vs. the creative agency."