Green screens, or chroma key, to give the effect its real name ... and one of them waving their hair around while drinking a bottle of water. It may not find its way back into blockbuster films ...

Shiny things like glasses or metal that reflect the light could pick up the colours of the green screen, making it more difficult to key correctly. Also watch for blonde hair, which can struggle ...

And your dad told you that you’d be unemployable with a degree in green screen hair flipping. What you’re seeing in the picture above isn’t a woman about to get attacked from behind by a ...

or fine details like strands of hair. Magenta Green Screen (MGS), the new chroma key technology developed by Netflix researchers, can seemingly provide an answer to all the issues of modern green ...