He's not checking your blood glucose levels. He's playing Words with Friends. Anna Zielinska/iStockphoto.com hide caption

itoggle caption Anna Zielinska/iStockphoto.com

Nokia was the only large phone manufacturer in the world to commit to selling phones running Microsoft's operating system. Now Microsoft is buying Nokia's mobile phone business. Timothy Clary/AFP/Getty Images hide caption

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The GetHealth app was a runner-up at the recent Hackovate Health Innovation Competition held in Kansas City, Mo. Courtesy of GetHealth Limited hide caption

itoggle caption Courtesy of GetHealth Limited

Smartphones based on Ubuntu, a Linux-based operating system, are expected in 2014. Canonical hide caption

itoggle caption Canonical

A salesperson demonstrates the Apple iPhone 4 in New Delhi, India. While mobile device use is growing rapidly in emerging markets, Apple's current product line may prove prohibitively expensive for many consumers. Manish Swarup/AP hide caption

itoggle caption Manish Swarup/AP

Many popular food games for computers and devices like tablets are actually "advergames", created by food manufacturers to market their products to kids. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Care To Share? Wireless carriers are launching programs allowing customers to receive rewards based on information their smartphones share — such as their location, app usage and Web surfing data. AFP/AFP/Getty Images hide caption

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In much of America, the availability of online video is often frustrated by slow broadband speeds. In this 2011 photo, Valerie Houde waits for a dial-up Internet connection in East Burke, Vt. Andy Duback/AP hide caption

itoggle caption Andy Duback/AP

These Nokia phones unveiled earlier this month are the first smartphones built for Windows 8. Spencer Platt/Getty Images hide caption

itoggle caption Spencer Platt/Getty Images