fn must_acknowledge(knowledge: &Knowledge) -> Vec<&Peer>Expand description
The devices that must say they read this computer’s opening before it
may be a dose’s first (first_here): every phone in the folder that has
not stopped sharing and that you have not forgotten here, counted or not,
said off or not, silent or not (the seventh review’s C1: what counts is
each device’s own view, maybe stale); and every device whose entry does
not say what it is (an older Sioul, one not read), which never says it:
this computer is then never the first.