alt Hacker News>Ultrasound is extremely non-penetrating and wouldn't make it through the walls of a building
sometimes people like to be able to be outside. the 'quiet' part of the covenant of quiet enjoyment
>Ultrasound is extremely non-penetrating and wouldn't make it through the walls of a building
sometimes people like to be able to be outside. the 'quiet' part of the covenant of quiet enjoyment
When you're outside you're not inside the walls of a data center.