Faint were the days of our fathers
There's a moment in the film, Her when Theodore (Joaquin Phoenix) realizes that the relationship he's having with his new operating system is not exactly a private experience. Within the short span it takes for him to fall in love with his sexy AI system, the phenomenon of engaging in a non-human relationship is trending. It's only while paying attention in public, that he discovers AI love has become a socially accepted norm for many people. He was just too lost in his own moment to notice.