Sourced of Matrix Adjustment 4.0 ON YT May 29, 2019 https://www.youtube.com/watch?v=3oNf0JhqtPA&list=PLGPxVybXV5Rmf3gMrVKwokeC7_SMxJwtz&index=1 Broaden your horizon -it is only a taste of the possible This technology is available via https://www.activistpost.com/2020/11/israeli-company-wants-to-play-music-inside-your-head-with-directed-sound-technology-without-headphones.html