The Curse of Yocto
http://www.eeicommunications.com/eye/yocto.html

Ivey, Keith C.
Editorial Eye, The
1996

Abstract:

Several years ago, four new prefixes, for representing very large and very small measurements, were introduced into the International System of Units (Système International d'Unités, or SI): yotta, zetta, zepto and yocto.