> They send you the project prompt in an email right at the beginning of your time interval Whoops, your home internet has gone down. Or Gmail has decided it's

> They send you the project prompt in an email right at the beginning of your time interval Whoops, your home internet has gone down. Or Gmail has decided it's not having any mail from their domain. Or your mail provider think they're spam. Or your mail client doesn't pick up the email for half an hour. There's a whole raft of problems coming from "email delivery is reliable enough to be a timer."