Googles description is much nicer than mine
It’s easy. You can even create a circle for those people you don’t like, I’ve called that circle “The Bus”. So when someone adds you they get a comforting return email telling them that you added them to a circle.
The Bus
The Bus connection comes from a conversation we used to have a work about who you would put on your bus.
This diagram may help you understand what being on the bus means.
A Picture Paints…
