FWIW, I would not use the site if it required me to enter other people's email addresses. I would also advise my friends not to use it as I wouldn't want them t

FWIW, I would not use the site if it required me to enter other people's email addresses. I would also advise my friends not to use it as I wouldn't want them to enter my email address into it. I don't know if not being able to enter email addresses would make it a non-starter for your typical user, or not, though.