http://apiblog.youtube.com/2011/08/auth-tokens-unlinked-youtube-accounts.html
That contains some important information for developers using AuthSub
or OAuth. Existing tokens that were generated for YouTube accounts
that were not linked to Google Accounts will become invalid on
Wednesday, August 31.
There are a number of important details in the post explaining exactly
what that means, so please give it a read.
Cheers,
-Jeff Posnick, YouTube API Team
groups.google.com/group/youtube-api-gdata | apiblog.youtube.com |
@YouTubeDev