The growth of the Internet has created industries that exist almost entirely online. Within industries, technology continues to change how goods are produced. For instance, the music and film industries used to produce physical products like CDs and DVDs for distribution. Now those goods are increasingly produced digitally and streamed or downloaded at a much lower physical manufacturing cost. Information and the means to use it creatively have become commodities in a postindustrial economy through the Responses secondary sector. secondary sector. tertiary sector. tertiary sector. primary sector. primary sector. quaternary sector