themha
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Airlock automatically locks and unlocks your Mac using your iPhone or iPod touch
I work in a busy office. Occasionally a coworker will call or knock on my door and ask for my help with something, and the two of us will go to wherever I am needed. Most of them time I get back to my office and realize that I have left my MacBook Pro unlocked. To solve this, I've tried various things: setting a "hot corner" to trigger my screensaver, which requires my password be typed, or manually switching to the login window. (Many Windows users are used to hitting the Windows key plus "L" to temporarily "logout" but Mac OS X doesn't have an equivalent feature built-in, although there are some possible work-arounds.) The biggest problem with all of those solutions? They require me to remember to do something. Which I usually forget to do. Enter Airlock, a preference panel which will automatically lock and unlock your Mac when it senses that your iPhone (or iPod touch) is nearby. That might sound like magic, but it isn't, it's Bluetooth. Once your iPhone is "paired" with Airlock, it will periodically check to see if the iPhone is still "in range" (which you can adjust, using the slider shown above). That's it. You don't need to run any software on your iPhone.
