Screen technology is what allows mobile device makers to increase the size of their phones (the development of phablets, for example) at better resolution with lower battery drain.

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Jim did a great job of explaining what each of the mobile technologies really is and what the technology transition means to mobile carriers and device manufacturers not to mention potential pain points along the way.

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The banks, meanwhile, haven't converted their card portfolios because they say that other technology, such as mobile-device payments, may leapfrog the need for the chip-enabled plastic.

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