Seriously? You have to go to Twitter to find out anything about the servers....wth!
Why isn't there a sticky for server maintenance on the SWTOR Forums?
Come on guys...get with the program (updates). It could easily be added to the login screen. log into Rift and they have a ton of information regarding the servers, latest class updates/patch notes and all sorts of useful info scrolling along while you log in. And if the server is unavailable it usually tells you it's for maintenance etc not just "The server is unavailable"...which is singularly unhelpful if you want any idea of how long it will be unavailable for...and a link to the forum page.
Lazy...