October 23, 2009 | AT&T may be crying uncle about how much bandwidth 3G smartphone consumers use, but the firm is proud of the level of Wi-Fi service it offers: Wi-Fi is vastly cheaper to provide than 3G, and AT&T knows it.

That's why the company has been expanding coverage to its customers both for improving loyalty and decreasing costs. (It's why I expect AT&T may offer its 3G femtocell at no cost to many customers, too.)

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