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Web Sites Use DNA to Create Family Trees

Who’s your daddy? Now a Web site may know for sure.

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Billionaire Families Join Pledge on Giving

The billionaire founders of PayPal and Broadcom Corp. are among a dozen wealthy families that have agreed to give the majority of their wealth to charity, following in the footsteps of technology entrepreneurs such as Bill Gates and Mark Zuckerberg.

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Tech Giants Agree to Deal on Privacy Policies for Apps

California Attorney General Kamala D. Harris reached an agreement with six of the largest companies in the mobile-device market that could change how app makers handle personal data and the way millions of people download apps.

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In This Online Word Game, the Winning Spell Is Love

Last summer, Kyla Smith spelled S-E-X-Y in Words With Friends, an online Scrabble-like app on her phone. It won her more than just 13 points — it won her love.

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Take Zap! Tech Geeks, Starved for More Battery Power, Give Themselves a Charge.

Any geek can tell you that battery life hasn’t kept up with gadget innovations. But not to worry: Inventors are figuring out how to turn geeks into batteries.

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Hollywood Loses SOPA Story

The entertainment industry moved to counter growing opposition to antipiracy bills that seemed certain to be laws just weeks ago.

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Big Brands Like Facebook, But They Don’t Like to Pay

Everybody wants to be liked. The question for Facebook Inc. is how much advertisers are willing to pay for the opportunity.

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The Long Haul to Capitalizing on Web Trends

Web companies often upend industries. But they can labor for years to fully make money on their revolutions.

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Steve Jobs Funeral Is Friday

The funeral for Steve Jobs, Apple Inc.’s co-founder, is taking place Friday, according to a person familiar with the matter.

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An Article of Faith for Marketers: Place No Faith in Articles

This is an article about articles. They’re going AWOL.