Baudrillard uses the concepts of the simulacra—the copy without an original—and simulation. These terms are crucial to an understanding of the postmodern, to the extent that they address the concept of mass reproduction and reproduceability that characterizes our electronic media culture.

Baudrillard's book represents a unique and original effort to rethink cultural theory from the perspective of a new concept of cultural materialism, one that radically redefines postmodern formulations of the body.