A quick note about a great little utility for OS X called Caffeine from Lighthead. It turns off all of the power-saving features in the OS, like dimming the screen, starting screen savers, and sleeping when a notebook lid is closed. This is a must-have application for people who give presentations. Nothing fouls up a beautiful PowerPoint, Keynote, iPhoto, or Fotomagico slideshow like a sudden blank screen.
It’s also a great utility to combine with Kismac: I can walk around with my MacBook Pro in my bag and listen for open wireless access points. Much better than stumbling around with the lid half-open.
And it’s completely free!
- Mike Bannan's blog
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