How to clear your data off a device

If you're recycling your computer, smartphone or tablet, there's one significant problem you may have ignored: If you don't wipe them clear of data, you could become a victim of identity theft. Merely deleting files using normal system tools won't really do the trick --- you need to do a much deeper cleaning. Here's how to do it.

Source: http://www.infoworld.com/d/security/how-clear-your-data-device-199603

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