Authors' Addresses

Neil Jenkins
Fastmail
PO Box 234, Collins St West
Melbourne VIC 8007
Australia
Email: neilj@fastmailteam.com
URI: https://www.fastmail.com

Daniel Eggert
Apple, Inc
One Apple Park Way
Cupertino, CA 95014
United States of America
Email: deggert@apple.com
URI: https://www.apple.com