From their site: Windows Live Data provides a mechanism by which developers can ask Windows Live users for permission to access the user's Windows Live services and data on the user's behalf. Currently Windows Live Data exposes Windows Live Contacts which is the central address book for all Windows Live services. Access to additional Windows Live services will be added for the upcoming Beta and other future releases.
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There are no source code libraries or how-to links for Windows Live Data. If you know one why not add it?
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