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Which flavor of AT&T 4G do I have? (Ask Maggie)

AT&T is the latest carrier to announce a 4G wireless broadband service, but what does this mean for its customers who already thought they were getting 4G service? When AT&T began marketing its HSPA+ network as 4G, I predicted it might confuse some customers when it finally launched its “true” 4G service, which uses the …

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