Retrieving the User’s Windows Live Anonymous ID
To associate a database file on the server with the user of the device, the app retrieves the user’s Windows Live anonymous ID from the Microsoft.Phone.Info.UserExtendedProperties class. The Windows Live anonymous ID is a representation of the user’s Windows Live ID that does not include any user identifiable information. When a user activates a device, he must provide a Windows Live ID. The Windows Live anonymous ID lets you identify the user by his Windows Live account, without actually seeing his details, and there is no way to correlate the anonymous ID with the Windows Live ID.
When retrieving the anonymous ID from UserExtendedProperties by way of the ANID2 key value (see Listing 33.2), the ...
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