Tumblr staff (or a hacker *cough*) should totally make a huge animation of the TARDIS flying across your tumblr screen for the 50th (i.e. when you log on)
Similar to the OP sequence
SOMETHING LIKE THIS OVER YOUR DASH
We don’t know if we can make this happen but we’re on it.
The Doctor Who Official Tumblr is on the mission
I will reblog this whenever it comes up