Your circle is unique to you and the friends that joined. You can make referrals to friends that joined your circle. You'll earn cash and points when a friend in your circle makes a purchase at the vendor you visited!Other Circles listed are ones that you have joined. You won't be able to make referrals to users in these circles. But the leader ofa circle you joined can refer you since you are a member in their circle!If you no longer want to be in a Circle you've previously joined. You can disable and reactivate it at any time.