How to securely wipe sensitive files--or your entire hard drive | PCWorld

How to securely wipe sensitive files--or your entire hard drive | PCWorld: "When you delete a file, it doesn't actually go away--even after you've emptied the Recycle Bin. The actual bits remain written on the drive until some other disk activity writes over them. Even when you format a drive, the files are still there for those who want and know how to read them."

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Five surefire ways to maximize your laptop's battery life | PCWorld

Five surefire ways to maximize your laptop's battery life | PCWorld: "You adore your laptop. It lets you get down to business wherever you happen to be—airport lounge, coffee shop, your home office. It’s the key to your competitive edge.

That is, until its battery croaks. Just as you’re putting the final details on your PowerPoint presentation. At the airport. Two hours before takeoff. And with no power outlet in sight. At that instant, you begin to wonder why you ever bought the ever-lovin’ boat anchor in the first place."

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How to child-proof the Internet | PCWorld

How to child-proof the Internet | PCWorld: "The Internet is filled with websites that are inappropriate for anyone, much less children. Kids get into trouble online all the time, even when they aren’t looking for it. Misspelling a website address, screwing up a search term, or clicking a risqué ad can lead to some awkward bedtime conversations. Online bullying, predatory adults, and illegal downloading of copyrighted content are other threats."

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