Friday, May 26, 2006

Don't trust anyone under twenty.

I am officially old.

The Brits have been using a high-pitched "mosquito" sound that only teenagers can hear to drive loitering adolescents away from businesses where they're not wanted. (Age-related hearing loss starts at age 20 or so; high-pitched sounds go first.)

The teens have struck back, copying the sound to mp3 format and using it as a ringtone. Now they can get calls and text messages without alerting teachers or other adults.

Can you hear the sound? Two versions of it can be found here and here. I cannot. (h/t)
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