Windows Live Contacts API: Attributes and Elements

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Windows Live Contacts API: Attributes and Elements

The address book schema for the Windows Live Contacts API does not use any element attributes.

Remarks

The address book schema does not use element attributes, for several reasons:

    * Element attributes use a fundamentally different data model. Including element attributes in the schema would increase the complexity of the data model.
    * Element attributes cannot be extended or changed.
    * Everything that can be done with element attributes can also be done with elements. Using only elements in the address book schema avoids duplication.

Source : MSDN