Emily Fernandez, holding her daughter Bethany, uses her Nook e-reader to browse some books at a Barnes & Noble in Hackensack, N.J. Privacy advocates are concerned about the data that manufacturers may be able to collect from e-readers. Mark Lennihan/AP hide caption

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A personal iPhone can be set up to receive company e-mail via a Microsoft Exchange Server. But once it is set up, the phone can receive a variety of commands from the server including a remote wipe, which can destroy all the data and disable the phone. Jeff Chiu/AP hide caption

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Maria Dominguez picks Gala apples in an orchard in Wapato, Wash., in 2007. Shannon Dininny/AP hide caption

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President Clinton and Democratic gubernatorial candidate and California Attorney General Jerry Brown wave to students at a rally in Los Angeles on Oct. 15. Clinton is as much of an asset to Democratic candidates as President Obama, and in some cases, more so. Kevork Djansezian/Getty Images hide caption

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Republican senatorial candidate Dino Rossi talks to supporters at his campaign office in Everett, Wash., on Tuesday. Rossi is challenging Democratic Sen. Patty Murray for her seat. Ted S. Warren/AP hide caption

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