Using Cirkl, you can coordinate activities with a circle of people or shout out something interesting to the world. You can also see public cirkls (events) happening around you.
You can create a private cirkl (event) with a group of people or a public cirkl (event) visible to any user. You can also use it add reminders for yourself.
A few usage examples are community events, family events, sports events, yard sales, pickup games, discount sales, and reminders.