Philippe Matthews Show Guru Advice, Author Reviews, Tech Reviews, Entertainment News
CTO John Donovan, left, sees digital water balloons as a fun primer on handset-to-handset apps—and a lure for wayward subscribers. | Photographs by Darren Braun As leader of Donovan’s tech council, Sanjay Macwan is helping revamp AT&T from a phone company to a technology company.
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