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This week saw the launch of what could be seen as a revolutionary cell phone service in France. Contingent on a couple of rules, Free.fr is offering an all-but-free cell phone service that promises truly unlimited data, voice, and SMS monthly tariffs.

AT&T is making it drop-dead easy for developers to use the company's internal infrastructure to build mobile apps--including some that could be used by customers of other carriers or networks. Here's why. Amazon Web Services was a game-changer for application developers.