Maintenance: Some SMS services are offline (Complete) 4 days ago

Twitter is undergoing maintenance on its SMS services.  Some SMS features will be unavailable during this time:  Users wont be able to tweet via SMS, change SMS settings, or add an SMS device.

The outage is expected to be a few of hours.  We will update when services are back online.

Update: The maintenance is now complete.  All services are back online

Timelines Delayed 4 days ago

We are experiencing some problems where you may find Tweets delayed in your home timeline. We’re working on getting them up-to-date.

Update: This issue has been resolved and tweet delivery should be back to normal

Intermittent access to some features 5 days ago

Some people may experience problems performing actions on twitter.com and Twitter clients.  (e.g., Tweeting, Retweeting, etc.) We are aware of the problem and are taking action.

Update: This issue is resolved, access to all features for all users is restored