Andy Serkis: Could computers replace actors?
Andy Serkis is known as one of the world's best performance capture actors.
Serkis explains visual effects studio, Weta, has 17 years' worth of data on his face which allows them to match what he does to the computer generated characters.
But does he think computers could take over from actors in films?
BBC Click's Spencer Kelly finds out more.
See more at Click's website and @BBCClick, external.