Hide users from the domain’s contact list? Now also possible with the Google Apps Profiles API
Administrators have the ability to hide a user’s contact information from the rest of the domain even if contact sharing is enabled. This was previously only available using the administrator control panel.
This can now be done programmatically via the Google Apps Profiles API.
For more information:
http://googleappsdeveloper.blogspot.com/2011/08/unshare-domain-users-contact.html
http://code.google.com/googleapps/domain/profiles/developers_guide.html
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