When viewing e.g. https://paper.dropbox.com/doc/catherios-dating-profile-Wt2wu19F4z1hUEKk8QXK4, you're shown a warning saying viewers' are public. But there's no mention of them being public <i>in perpetuity</i>.<p>If you view the document, you can see the names and email addresses of all signed-in viewers who have ever opened the document.
See also - <a href="https://twitter.com/koenrh/status/1176523837866946561" rel="nofollow">https://twitter.com/koenrh/status/1176523837866946561</a>.