Genuinely surprised you haven’t heard about HDR before.
It’s not needed for office work, but for media consumption it has been a big thing for at least half a decade at this point. I’m not sure you’ll find a modern TV that doesn’t support it at this point.
Can’t read the tweet as Twitter is blocked on Firefox, but my guess would be closer ties with NSA, i.e. NSA can exert more control and monitoring of the data openai collects.