This is interesting as I've noticed this very effect. Sometimes I talk with people over Skype. At times, there can be an echo if they are using a laptop speake

This is interesting as I've noticed this very effect. Sometimes I talk with people over Skype. At times, there can be an echo if they are using a laptop speaker and mic. When I talk, after a slight delay, I get an echo of what I just said. It stops me cold from saying anything else...