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.
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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.
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.