In communication, media are the outlets or tools used to store and deliver content; semantic information or subject matter of which the media contains. The term generally refers to components of the mass media communications industry, such as print media, publishing, news media, photography, cinema, broadcasting, digital media, and advertising.

Herbert Marshall McLuhan was a Canadian philosopher whose work is among the cornerstones of the study of media theory. He studied at the University of Manitoba and the University of Cambridge. He began his teaching career as a professor of English at several universities in the United States and Canada before moving to the University of Toronto in 1946, where he remained for the rest of his life. He is known as the "father of media studies".