As in: I have a Highschool circle and add my highschool classmates in it. I can then share it to all my classmates so they don't have to do the same work again.

As in: I have a Highschool circle and add my highschool classmates in it. I can then share it to all my classmates so they don't have to do the same work again. Or: I have a circle containing all great hackers. I then post the link to it here on Hacker News so everybody can have that whole circle with a single click.