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At 43, I can still hear 23kHz, which is better than my 11 year old! I remember doing a practical in a High School Physics lesson, where me and a couple of friends could still hear a 27kHz signal. Long time ago now...
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Graveyard: 4 Newtons, 4 Palms, 2 Casios, iPaq 3660, Jornada 720, 2 Clies, i-Mate Jam, Treo 750, Samsung i620.
Current PDA: HTC Touch Diamond
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