It's probably fair to attribute this to Skype since it's the same people, but didn't that design originate out of the Kazaa file sharing network way back in the

It's probably fair to attribute this to Skype since it's the same people, but didn't that design originate out of the Kazaa file sharing network way back in the day? As I understood it there was some degree of protocol / code-sharing between Kazaa and Skype at least early-on.