T-Mobile US CMO Mike Sievert said that the No. 4 carrier targets rival AT&T Mobility the most in its advertising because, he claimed, AT&T has the largest pool of dissatisfied customers.
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T-Mobile US CMO Mike Sievert said that the No. 4 carrier targets rival AT&T Mobility the most in its advertising because, he claimed, AT&T has the largest pool of dissatisfied customers.