Why '08 Isn't Mobile's Year -- Again - Advertising Age - Digital

Of the 219 million U.S. wireless subscribers, just over 30 million are on data plans, according to M:Metrics. That means more than 86.1% still use mobile devices primarily for talk, which isn't optimal for mobile marketing; most mobile-advertising tactics require subscribers to have pricey data plans.

Why '08 Isn't Mobile's Year -- Again - Advertising Age - Digital

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