Phone makers look to emerging markets for growth

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Photographers swarm around a Samsung Galaxy S5 smartphones, left, and Samsung Gear 2's at the Samsung Galaxy Studio, in New York, Monday, Feb. 24, 2014. Samsung on Monday unveiled a new smartphone with a built-in heart rate monitor to complement three upcoming fitness devices, as the Korean companies tries to turn its technological wizardry into lifestyle product. (AP Photo/Richard Drew)BARCELONA, Spain (AP) — Here’s the rub for companies: A good part of the key markets they serve already own smartphones and use them to connect various Internet services. How do you grow from there?

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