https://www.activistpost.com/2019/01/mit-scientists-stoked-about-commercial-applications-for-new-laser-which-remotely-transmits-audio-into-peoples-ears.html

It’s bad enough that tech companies have been hiring psychologists to help them deliberately design software and video games to be more addictive – even to kids – for over a decade now. Then again, we have a long history of businesses hiring psychologists to increase sales. Now it’s scientists at MIT who want to cash in on influencing our thoughts and behavior with their new laser which can remotely transmit audio signals directly into our ears: