Those are signs of conspicuous consumerism, or in other words, that Jenova needs to put away the computer and pick up a book.
My recently read books:
Black Rain by Masuji Ibuse
An Introduction to Environmental Psychology(1974 ed.) by Ittelson, Prohansky, Rivlin, and Winkel
What If...:Collected Thought Experiments in Philosophy by Peg Tittle