Dr. Who…Bells of Saint John…aired March 30, 2013…season 7 episode 7.
Dr. Who: There's something in the Wi-Fi.
Clara: Ok.
Dr. Who: This whole world is swimming in Wi-Fi….We're living in a Wi-Fi soup!…Suppose something got inside it…
Suppose there was something…living in the Wi-Fi…harvesting human minds, extracting them…Imagine that.
Human souls trapped like flies in the World Wide Web, stuck for ever, crying out for help.
Clara: Isn't that basically Twitter?…What's that face for?
Dr. Who: A computer can hack another computer…A living, sentient computer…Maybe that could that hack people…Edit them. Rewrite them.
Clara: Why would you say that?
Dr. Who: Because a few hours ago you knew nothing about the internet…And you just made a joke about Twitter.