Dropped calls and spotty service, particularly for iPhone owners, made AT&T the most hated wireless carrier in America. Here's the surprise twist: widespread, under-the-radar improvements to the company's network have quietly helped AT&T move past its infamous struggles.

Source: http://rss.cnn.com/~r/rss/money_technology/~3/V4DaoMbF0KM/index.htm
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