Zoom to Room / Show Entire Map
To get a closer view of the avatars/people in a room, you can "Zoom to Room". You do this by right-clicking on the the room label and selecting Zoom to [Room-name].
Here's what a zoomed-in view looks like:
Tip: for large meetings, or whenever you want to have a turn-based discussion, ask everyone to zoom to room so that you can go around the virtual table to take turns talking. In this example, Carrie might speak first and then ask MG to contribute next, followed by Matt Brous etc.
To return to the full map view, right-click on the room label and select Show entire map.