I never heard about this until the other day, but it is possibly the greatest invention ever. I can't wait to install one in my own living room.
The Mosquito "emits a high-pitched whine only under-25s can hear". Apparently these are being bought by business owners in an effort to prevent teenagers from congregating outside their buildings. Imagine what effect such a device will have on the lolling teenager sprawled out on the couch?
