I get it.
This review may contain spoilers. I can handle the truth.
(This is a rough response on first watch. I'm going to watch this several thousand more times.)
A film about how the internet, the literal internet and the thought technology of the internet, has liquefied the gap between reality and context. Or maybe, because I spend too much time on the internet, it's a movie about what David Fincher thinks about how you think, by applying the thought technology of the internet to the actual internet, the internet has liquefied…