Marshall McLuhan is ranked prominently among Canada's most influential personalities, which means that much of his work is still widely circulated in Canadian public institutions. In particular, some excellent materials can be found at the CBC archives, which have recently been added to the CBC website (http://archives.cbc.ca/) in celebration of their 50th anniversary. These include radio and television broadcasts featuring McLuhan discussing his best-known theories, including those describing the global village and hot and cool media.