Like Blade Runner's relationship to Do Androids Dream of Electric Sheep, it was a lot different than the book, but shares some deep ideas, and stands on its own as a great movie.
The scene in the USC ICT's motion capture studio was riveting, with Robin Wright playing a partly fictionalized version of herself, and Harvey Keitel playing her agent, baring their souls to the giant emotion capturing machine.
https://en.wikipedia.org/wiki/The_Congress_(2013_film)