Joaquin Phoenix is the actor that gives life to Thoedore Twombly. A solitaire man that falls in love with the first artificially intelligent operating system, voiced by Scarlett Johansson.
A futurist Los Angeles was created to this movie so we can see, thru the eyes of the character what he feels and needs. Production Designer K.K. Barrett, created this clean and comfortable world. Gene Serdena was the set decorator . She and Barrett knew how to do a future we can relate with, no going to a full-on future design.
The nomination for an Oscar for Best Production Design just reflects the amazing work they have done.