For later playback as needed... And for later PAYBACK as NEEDED.
There are many positive and, of course, negative ramifications. Imagine total recall of everything you ever experienced. Imagine how impossible any crime would really be.
The concept boggles the mind. Also, because I do think we are on the cusp of such technology, as well as unlocking the keys to immortality of the human body, I believe the Lord’s return is eminent. And this ignores all the other biblical prophesy stuff in the back of my mind as I type this.
It has... Robin Williams movie: “The Final Cut”
https://en.wikipedia.org/wiki/The_Final_Cut_(2004_film)