UltraViolet is a common file format and digital rights authentication system designed to allow a digital copy of a film or television show bought from any vendor physical or electronic to be played on any one of 12 devices owned by up to six members of a household, either via download or streaming from the cloud.

FORBES: With Home Entertainment Sales Spiraling Downward, Movie Studios Turn to UltraViolet

The Hitachi system uses a digital video camera to film reflections from mirrors surrounding an object.

FORBES: Technology

When Kodak roused itself to leverage its digital assets, it wasted years and hundreds of millions of dollars deploying them in incremental fashion such as with its Advantix system, which used digital as a preview mechanism in a film camera.

FORBES: Part Four of a Six-Part Series