"... I've been resisting adding lots of structure to the form so that people can email drafts around ..."
Maybe there should (a few) mandatory fields (contact email + phone + first name + last name) like a login. Leave the rest unstructured. You don't need your life details, just a username and email address that uniquely identifies users and allows contact.
Maybe there should (a few) mandatory fields (contact email + phone + first name + last name) like a login. Leave the rest unstructured. You don't need your life details, just a username and email address that uniquely identifies users and allows contact.