At the beginning, it's easy. You (or your employer or your spouse) bring a computer into your office or your home, and everything is right there: word processing files, financial records, email, music and video, maybe some games, and a connection to the Internet. It's all in one place. Love it or hate it, that computer has become an important part of the way you work and play. In fact, it's so important and so convenient that you eventually decide to add another computer; it might be a laptop that you can carry from one place to another, or maybe a second desktop machine that allows more than one person to use a computer at the same time. And that's when the trouble starts.

Shortly after you get that ...

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