Good question. On something that's minimal impact to lose, I like the https://spike.news https://spike.news model of saving state: you're given a token (a stri

Good question. On something that's minimal impact to lose, I like the https://spike.news https://spike.news model of saving state: you're given a token (a string of a few words) to log back in with later. No email, no risk, everyone's happy. Please don't use email if it's not necessary.