Ah, the technical ingenuity of Teenagers. Gotta love it.Kids turn "teen repellent" sound into teacher-proof ringtone
"Kids in the UK have co-opted an annoying noise sold to retailers as teenager-repellent and turned it into a ringtone."
...
"The kids have reportedly converted the high-pitched noise and turned it into a ringtone, which, being inaudible to grownups, can then be used to receive texts and calls in class without alerting teachers."
[Via BoingBoing]