More info @ Canon EOS 5D Mark IV
The camera is NASA’s High Dynamic Range Stereo X, HiDyRS-X for short. It records high speed, high dynamic range footage in multiple exposures simultaneously for use in analyzing rocket engine tests.
Netflix started streaming 4K content back in 2014 which began with House Of Cards. Now they are planning to add more HDR support for future content.
See details at Digitaltrends
The first Netflix program to support HDR is Marco Polo: Marco Polo
More info on Dolby Vision @ dolby.com
It also has a global shutter mode. You can see the advantage of the global shutter versus rolling shutter in this video.
More info @ Panasonic.com
Your next phone may have an enhanced HDR sensor enabling higher quality film-like images.
More information @ Invisage.com/quantumcinema/