6. The
names
you
give
your
circles
are
private,
nobody
can
see
how
you
label
them
7. A
circle
is
not
a
group
• Groups
have
membership,
can
be
public
or
private
and
discoverable
• Note
how
you
can’t
learn
from
the
circles
other
people
create
• Google
this:
Ridiculously
Easy
Group
Forming
and
Reed’s
Law