"SpeechSite brings the Web model of self service to the telephone, " says SpeechWorks Chief Executive Officer Stuart Patterson.

CNN: Graphic

Web services are currently most visible in the business model of so-called application service providers.

ECONOMIST: The future of computing

EWallet is similar to a fulfillment model already used by some of the larger Internet service providers and Web portal sites, says George Barto, senior research analyst for INTECO.

CNN: Don't forget your eWallet when you shop online

Unlike some Web-based phenoms, the location check-in service Foursquare has an obvious potential business model: local ads based on your geographic location, perhaps coupled with inferred interests from your previous check-ins.

FORBES: Foursquare's Dennis Crowley: It's Still About Growth, Not Ad Money (Yet)

Dries Buytaert, the Belgian wunderkind who created Drupal, started Drupal Gardens because he saw that Software as a Service could be combined with a declarative configuration model to make the process of creating web sites so much easier.

FORBES: A New Open-Source Model For SaaS