On the BBC site after every episode, the Fourth Dimension section contains oddly italicized words that have been forming messages apparently between two people.
From The Impossible Astronaut:
“All the secrets you seek can be found on the Webb.”
Day of the Moon:
“We found your message. You’re alive, but what secrets do you mean, my friend?”
Curse of the Black Spot:
“I mean I glimpsed him! And may the gods help him or perhaps you can.”
The Doctor’s Wife:
“To see what I saw, click on the spot beyond the Doctor’s home planet.”
Apparently Person 1 addressing Person 2, clicking on the “spot” (the period after the word Gallifrey) takes you to this video.
This week, after The Rebel Flesh we simply get