Well mailto: is a URL, so Ilya could put his email in there. But I don't think that should be what we encourage people todo. We should should encourage people to use these fields with the most useful value for the end user.
I'm trying to resist chuckling at this point.
Yes, I know, but he would most likely consider an email address the most useful value for both him and the end user.
IMHO that would normally be a link to a web page, but
Ilya would have his own email address in there.
OK
