
Don't think of the Web as a client-server system that simply delivers web pages to web servers. Think of it as a distributed services architecture, with the URL as a first generation "API" for calling those services.
In fact, the Web has developed into a wide platform for innovation across many media and devices - from mobile to Tablet PC, telephone to search. The next generation of web applications will leverage the shared infrastructure of the web 1.0 companies like EBay, Paypal, Google, Amazon, and Yahoo, not just the "bare bones transit" infrastructure that was there when we started...
Web 2.0 is about making actually the Internet useful for computers.
Yesterday’s challenge of producing elegant and database-driven Web sites is being replaced by the need to create Web 2.0 'points of presence'"