BBC To Reveal 'Stings'/Ident/Hashtag Tonight (And News Of The Trailer!)
The official Doctor Who site have announced that they will reveal the 'stings' for The Day of the Doctor tonight immediately before and after the airing of Atlantis. These 'stings' will reveal the ident for the episode and the official Twiter hashtag.
They have also revealed that there are a number of "surprises" upcoming, including a specially shot trailer, which is now in post-production, for the 50th. No mention has been given as to when this, or any other, trailer will air. They released the above behind the scenes shot as a teaser and "compensation".