NEW YORK — Ka-ching! The cash register may be on its final sale. Stores across the country are ditching the old-fashioned, clunky machines and having salespeople — and even shoppers themselves — ring up sales on smartphones and tablet computers. ...

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NEW YORK — Samsung Electronics is ratcheting up its rivalry with Apple with its new Galaxy S 4 smartphone, which has a larger, sharper screen than its predecessor, the best-selling S III. Samsung trumpeted the much-anticipated phone’s arrival Thursday at ...

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NEW YORK — The Federal Communications Commission on Tuesday approved the merger of T-Mobile USA and MetroPCS Communications Inc., the No. 4 and No. 5 cellphone carriers in the country. The Justice Department cleared the merger last week, meaning that ...

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WASHINGTON — Well before the cleanup from Superstorm Sandy was in full swing, students could read about the weather system that slammed the East Coast in their textbooks. Welcome to the new digital bookcase, where traditional ink-and-paper textbooks have given ...

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SAN FRANCISCO — A disgruntled shareholder pressing Apple to create a new class of preferred stock has dropped a lawsuit that became a moot point after the iPhone and iPad maker changed the agenda at its annual meeting earlier this ...

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SAN FRANCISCO — Microsoft’s retooled version of its Office software is hitting the market as the company tries to extend one of its key franchises beyond personal computers. Tuesday’s debut comes six months after Microsoft previewed the new-look Office, which ...

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TORONTO — The maker of the BlackBerry smartphone is promising a speedy browser, a superb typing experience and the ability to keep work and personal identities separate on the same phone, the fruit of a crucial, long-overdue makeover for the ...

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BEIJING — Apple expects China to overtake the United States as its biggest market, CEO Tim Cook told a Chinese government news agency. “China is currently our second largest market. I believe it will become our first. I believe strongly ...

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NEW YORK — Shares of Best Buy Co. jumped on Friday after the electronics chain showed signs of starting to reverse declining sales during the critical holiday selling season, a better-than-expected result. Shares rose 12 percent during midday trading. Best ...

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WASHINGTON — Aiming to prevent companies from exploiting online information about children under 13, the Obama administration on Wednesday imposed sweeping changes in regulations designed to protect a young generation with easy access to the Internet. Two years in the ...

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