What’s the buzz? Teens can’t stand it
`The device, called the Mosquito (“It’s small and annoying,” Stapleton said), emits a high-frequency pulsing sound that, he said, can be heard by most people younger than 20 and almost no one older than 30. The sound is designed to so irritate young people that after several minutes, they cannot stand it and go away. [..]
At first, members of the usual crowd tried to gather as normal, repeatedly going inside the store with their fingers in their ears and “begging me to turn it off,” Gough said. But he held firm and neatly avoided possible aggressive confrontations: “I told them it was to keep birds away because of the bird flu epidemic.”‘
