A. XML is extensible. Since there are no fixed set of tags, new tags can be created as they are needed.
B. XML is based on a W3C standard, and is endorsed by software industry market leaders. Therefore, you are locked into using their technology.
C. XML is self-describing. XML documents can be stored without schema definitions, because they contain meta data in the form of tags and attributes.
D. XML facilitates the comparison and aggregation of data. The tree structure of XML documents allows documents to be compared and aggregated efficiently element by element.
E. XML is simple to use. Information coded in XML is easy to read and understand. It lets you identify your information in an accurate, flexible and adaptable way, allowing for easier integration with other systems.