"Laff Trak" is an application available for the iPhone and iPod Touch. You can use the app as your personal laugh track. Press the buttons to play laughter, applause, ooh's, aah's, etc! I actually made this as a quick and dirty app while in school, to see what the Apple app submission process was like. It was interesting.

"Laff Trak" is available on the iTunes app store here >

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Contact Aaron Druck at aldruck [at] gmail [dot] com