The document discusses how digital technologies have changed business models and the economy. It provides examples of how taking photos has evolved from using film and processing to using digital cameras and sharing photos instantly online. The document also outlines several common business models used in the new digital economy like e-tail, e-marketplaces, auctions, advertising, subscriptions, and affiliate marketing. It notes there are pressures driving businesses to change and improve, and businesses can respond to these pressures through various initiatives.