When I was in middle school, I found I have the talent to speak without moving lips. The only flaw is I have to keep my lips seperated a little bit to let the airflow out. Nevertheless, the pseud-ventriloquism is cool enough to make my friends burst into laugher. Sometimes I look into the mirror and speak to myself with a poker face for fun. Anyway, I was so proud of the skill because I could gossip with my deskmate without being caught ever. That was the way I thought I had put it into good use.

Nowadays teeangers use high-tech to trick with adults. David Herzka, a high school student in New York, puts a ringtone online for teenagers to download to their cell phones. The ringtone is inaudible to most aged ears but young peopoe are sensitive to it. You can have a test on hearing here.

Kids are happy because now they can have text messages in class with [senior] teachers knowing nothing about it. Interestingly, the idea of highring roots from a device called the Mosquito, which was used to repel teenagers from congregating in the U.K. "The Mosqito works by emitting a very high-pitched noise, which would be very irritating to children and teenagers while being silent to adults." So what's this? To give adults a dose of their own medicine?

BTW, I can hear it! I can hear it!! I can hear it!!! YEAH!!!