The title is a reference to The Gutenberg Galaxy, a 1962 book by Marshall McLuhan.

The term appears as early as 1962 in Marshall McLuhan's The Gutenberg Galaxy.

The Gutenberg Galaxy was the invention of the printing press which came just in time for the Reformation.

During the 20th century, librarians were concerned about keeping track of the many books being added yearly to the Gutenberg Galaxy.

The Gutenberg Galaxy: The Making of Typographic Man.

Gutenberg Galaxy (1962) p. 31 One matter Englishmen don't think in the least funny is their happy consciousness of possessing a deep sense of humour.

The Gutenberg Galaxy and Project Gutenberg use Gutenberg's name.

The Gutenberg Galaxy (1962)

Marshall McLuhan, the guru of The Gutenberg Galaxy (1962), recommends that the browser turn to page 69 of any book and read it.

Certainly the McLuhan test can be applied to the Gutenberg Galaxy itself.