The Mosquito is an ultrasonic device that emits a sound only audible to teenagers that is designed to drive teens away from areas they congregate.
...techno-savvy pupils have recorded the ultra-high sound – audible only to under-20s- onto their cell phones, and are now receiving calls and text messages in class – without teachers having the faintest idea of what is going on.The kids call it Teen Buzz, and it’s spreading it from phone to phone via text messages and Bluetooth.
ringtonia.com: Teenager repellent “Mosquito” turned into ringtone
Sounds too good to be true. Sphere: Related Content
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