EXhibit 16.3 Digital Content Delivery Life Cvcle Original Sources of Content Syndicator EC Portal or News Site Digital Content text. video, music (intermediary general portals news, scores. data content broker) niche sites stock quotes, etc (financial, sports Broadband or Dial-up Digital Content Delivery Web Site ISP Optimizer Hosting Service Connection to virtual (cache, streaming (server mgmt. Visitor, personalized content Electronic Commerc Prentice Hall 2006 18Electronic Commerce Prentice Hall © 2006 18 Exhibit 16.3 Digital Content Delivery Life Cycle