Virtual studios, where the filmmaking takes place in front of a halo of flat screen displays connected to PCs, are offering a real alternative to green screens (Daniel Cooper/Engadget)

Daniel Cooper / Engadget:
Virtual studios, where the filmmaking takes place in front of a halo of flat screen displays connected to PCs, are offering a real alternative to green screens  —  For as long as filmmaking has existed, there has been a need to build fantastic worlds in front of cameras.