William DuBay worked in public relations and technical writing for over 20 years. In 2002, he began consulting as a plain-language and readability specialist. His clients have included the U.S. Federal Aviation Addminstration, the California Public Utilities Commission, and Los Angeles County. He has written extensively on plain language and currently publishes the Plain Language at Work Newsletter, available at http://www.impact-information.com. His writings include “Smart Language: Readers, Readability, and the Grading of Text” (Booksurge 2007) and “Unlocking Language: The Classic Readability Studies” (Booksurge 2007), both available online at his Website. For a brief, 70-page introduction to readability research, go to www.impact-information.com (link is a pdf).