Joseph P. Duggan is author of The Zuckerberg Galaxy: A Primer for Navigating the Media Maelstrom (2011, Amazon Kindle and other ebook platforms). He formerly was a White House speechwriter for President George H.W. Bush, a State Department officer in the Reagan Administration, and a newspaper editorial writer. Today he works in corporate communication. Duggan is a keen student of the work of Marshall McLuhan, born a century ago in 1911, author of visionary studies of technology, The Gutenberg Galaxy and Understanding Media.