People often ask if technology will make schools obsolete. Despite what the tech universe may have told us, one can say that it’s not happening any time soon. The contextual basis for this opinion is quite simple: It hasn't happened yet. When radio became ubiquitous, smart people thought it would make schools obsolete. It didn’t. Neither did slide projectors, VCRs, educational TV, PCs, the Internet, or iPads, despite similar ambitions. Of course, this time it is different, say the guardians...