From anti-teen device to Mosquito ring tone business
Here is an interesting case in how a new product can attract both parts with the same service but with the opposite purpose. It started as an anti-teen device: The creators of a pioneering device that uses high-frequency sound to stop teenagers congregating outside shops, schools and railway stations reacted angrily today to news that […]
From anti-teen device to Mosquito ring tone business LÀs mer »