when I first used Circles the first feature that came to my mind was the ability to make a circle public and to add other administrators to it and allow other p

when I first used Circles the first feature that came to my mind was the ability to make a circle public and to add other administrators to it and allow other people to 'follow' it, or add it to another circle I think starting with private circles and making them public is a better feature than fb groups, which are just annoying and spammy