This is definitely true, but it's a terrible idea to be on a conference call in a busy place anyway. It's incredibly obnoxious for everyone around one. My use

This is definitely true, but it's a terrible idea to be on a conference call in a busy place anyway. It's incredibly obnoxious for everyone around one. My use case is just sitting in my relatively quiet office; without headphones the person in the next office over can hear everything, with any other headphones there are annoying wires and such.