He says Snoke and Maz Kanata, the tiny alien character Lupita Nyong’o plays, “are the only two performance-capture characters in an otherwise very analog world.”
Some interesting info about Supreme Leader Snoke, nothing that can be considered as a spoiler (I think)
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While Abrams has emphasized a return to practical effects on The Force Awakens, is Snoke perhaps a character who could have been played by Serkis in make-up?