Who said I trust FB? FB is not your competition and "open source" means nothing to literally 99% of users. Look, you’re not the first guy to come up with an id

Who said I trust FB? FB is not your competition and "open source" means nothing to literally 99% of users. Look, you’re not the first guy to come up with an idea like this. We’ve all thought about it and shot it down 5 minutes later because building anything useful on top of email is really really hard. I brought up at least one serious technical problem that makes the E2E encrypted webapp you described very tricky. Why not just use email for optional contact discovery like every other app instead of shoving all the data through email?