The Mechanical Bride is unique and composed of a number of short essays that can be read in any order – what he styled the "mosaic approach" to writing a book. Each essay begins with a newspaper or magazine article or an advertisement, followed by McLuhan's analysis thereof. The analyses bear on aesthetic considerations as well as on the implications behind the imagery and text. McLuhan chose the ads and articles included in his book not only to draw attention to their symbolism and their implications for the corporate entities that created and disseminated them, but also to mull over what such advertising implies about the wider society at which it is aimed.
His interest in the critical study of popular culture was influenced by the 1933 book Culture and Environment by F.R. Leavis and Denys Thompson, and the title The Mechanical Bride is derived from a piece by the Dadaist artist, Marcel Duchamp, titled The Bride Stripped Bare By Her Bachelors, Even.