A primer on eCommerce

The CREC group at the University of Texas developed a conceptual framework that provides a good bird's eye view picture of e-commerce.

Their framework breaks down the Internet Economy into four layers: infrastructure, applications infrastructure, intermediary, and commerce (see table).  Click on table to enlarge.

Source: Based on "Measuring the Internet Economy," Center for Research in Electronic Commerce, University of Texas, June 6, 2000, www.internetindicators.com.