Alana Semuels

25 Years of the Cell Phone

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Twenty-five years ago, during a media event at Chicago's Soldier Field, the president of Ameritech Mobile Communications made the nation's first commercial cellphone connection. He rang up Alexander Graham Bell's grandson on a Motorola DynaTAC handset that weighed 2 1/2 pounds and retailed for $3,995.

CTIA convention a stage for wireless innovators

People want to use their phones for more than just talking. CTIA-the Wireless Assn., said this week that revenue from wireless data services rose 40% in the first half of 2008, to $14.8 billion.

Online tools let parents peer into their kids' school day

Technology is helping eliminate some of the guesswork about what happens after kids climb onto the bus. Increasingly common Web programs let parents track lunch-money spending, schoolwork habits and tardiness.

Wireless carriers taking longer to answer customer service calls

According to a J.D. Power & Associates study released Thursday, the average wait time customers endured before being connected to representatives at their wireless phone companies in early 2008 was 4.4 minutes, up 34% from the none-too-brief 3.3 minutes they waited in 2003.

Research firm Nielsen tallying product placement ads

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A small army of people are now employed by research firms and advertisers to track product placement, one of the fastest-growing segments of the advertising industry. Advertisers spent $2.9 billion in 2007 to place their products in TV shows and movies, up 33.7% from the year before.

SoCal HDTV owners with cable service have limited choices

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Pity the Los Angeles residents who lug home pricey high-definition television sets only to find that most of their shows don't look much better. The entertainment capital of the world ranks last among the five biggest U.S.

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