The Web uses a file-based approach to documents by which a client first fetches a file before it is opened and displayed. What is the consequence of this approach for multimedia files? One could argue...

The Web uses a file-based approach to documents by which a client first fetches a file before it is opened and displayed. What is the consequence of this approach for multimedia files?

One could argue that from an technological point of view Web services do not address any new issues. What is the compelling argument to consider Web services important?