1. To exchange information between different platforms (i.e. PC to Mainframe)and technologies (i.e. VB Client app to Java servlet).
2. Generic persistance instead of using ini's and property files or databases(be carefull with the last one).
3. A way for a data provider to provide data generically - i.e. SOAP andXML/XSL.These should also give you some ideas on what you can do with XML.
