The Conch system is simply taking turns with no clear leader.
The Moderator controls all aspects of communication.
In a Moderator model, you'll want to rotate out the moderator per meeting, otherwise, people are going start hating that one person and lets other people learn to improve their communication skills.
Both systems have their trade-offs.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.