Since the second half of the twentieth century, there have remarkable development in the application of digital technologies in e-commerce. This has had profound effects on the U.S economy. It has resulted to development of new products and quite innovative ways to sell, deliver, and receive these goods and services. There are new technologies which have affected almost all aspects of business process and industrial process which has affected productivity in the United States economy. Since the mid-1990s when the internet and other digital technologies became viable, new and pre-existing firms have benefited from integration of digital technologies and this has greatly affected the economic growth of the country. Digital technologies have facilitated development and growth of e-commerce.