Time travel in Mac OS X

Apple touts Time Machine, their backup technology, as a marvel. But there are other forms of time travel. (The moiré pattern is a result of taking a photo of a laptop screen; the laptop was rather busy at the time.) Mac OS X time travel (full size).

Mac OS X not only has Time Machine, but features time travel, too.
Mac OS X not only has Time Machine, but features time travel, too.

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I started life as a child.