Hey, you wanna hear a joke?
Mmm-hmm …
What does a baby computer call its father?
I don’t know, what?
Data.
— Joaquin Phoenix, playing a lonely man, late-night murmuring to his sentient-operating-system love interest (voiced by Scarlett Johansson), in the Spike Jonze sci-fi-rom-com, “Her.”
This article originally appeared on Recode.net.