Anyone with this link can sit down at your counter. Send it the way you
would a house key.
Read the code aloud if that is easier — it avoids
l, 0 and 1 on purpose. There is no way to take a link back, so start a new
counter if one goes astray.
Everyday Counter
Whose counter are you sitting at?
A counter is private to the people who have its link. Start one for your
household, or join one you were sent.
or
The link is the key: anyone who has it can sit down.
Share it the way you would a house key, and start a new counter if it
ever goes somewhere you did not mean.