For many students the concept of a virtual Web Service will not be intuitive.
Explain that this section is important because it is unlikely that owners of
most of the data on the Internet will ever provide access to their data
through Web Services. However, making this data accessible to clients
through a Web Service is a useful paradigm. Because consumers interact
with a Web Service through a proxy class, if the proxy class simply
retrieves the raw data and the parses the data locally, the consumer need not
be aware that the processing takes place on the client and not on the server.
A detail that you...