Users Cannot Update Profiles - http://status.twitter.com/post...
Jul 31, 2010
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We’re currently working on remedying the issue blocking users from updating their profiles.
Edits to user profiles are disabled. Auth tokens are affected by this Signups are currently disabled as we recover from this issue. API and mobile clients are currently experiencing some issues; we’re working on remedying this issue. Avatar and Image uploads cannot be updated.
- FFLobby