Re:Symantec says change your Facebook password now
by teej on Wednesday May 11, 2011 @06:32PM
(#2538679)
Under "Using The Access Token"
If the user changes their password, the access token expires
or the user deauthorizes your app in the App Dashboard, the
Graph API will issue an HTTP 400 and return the error in the
body of the response:
from http://developers.facebook.com/docs/authentication/
Do you have a reference for that? Seriously, I'm working on Oauth stuff and I would like as much information as possible.