Twitter is currently experiencing a major outage of its services throughout the world. The outage is affect Twitter users on the web, who were logged out, and pretty much every mobile clients out there. Twitter’s reliable mobile.twitter.com is also down. No word on what has caused the outage so far, but Twitter has acknowledged the issue at status.twitter.com, and are “looking into it.”
[UPDATE 2:43pm EST] Twitter on mobile seems to be coming back to normal. Twitter on the web is still showing it’s down for maintenance at the moment.