I have extremely sensitive hearing. I can tell when there's an animal scarer nearby.
This brings me to Microsoft Teams. You might have seen people mention that their dogs know when someone joins the call before they do. That's because they introduced "ultrasonic howling" to detect if they're in the same room as you, and mutes their mic.
It hurts like fucking hell with headphones on.
Oh my god I had completely forgotten about that game!! I vaguely recall being taught some exploit that trivialised it but it was so fun to come back to every now and again.