FQL with Client access_token?
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Can you run FQL with a client access_token? I want to do something like:

`SELECT user_online_presence FROM user WHERE uid IN ([UID1],[UID2],[UID3],...)`

Where I have the user_online_presence permission for each of my users.

Is this documented anywhere?  I only found out about the client token in the real-time updates documentation, but then this thread shows I completely different implementation:
http://facebook.stackoverflow.com/questions/4062246/facebook-real-time-user-updates

Does the client access_token eliminate the need to extend my user_access token?