While writer/director Spike Jonze creates a fascinating contemporary romance tale, complete with realistic snags, what is most interesting is the story's underlying commentary.

One half of the relationship at the center of 'Her' may lack a physical form, but it is nonetheless a film about the universality of romance: its longing, its intensity, and its transformative power - for the best, and the worst.

The quasi-science fiction story of the film feels entirely possible, as Phoenix stares around him at passersby, all entranced with an electronic device in their hands.

However weird the concept of falling in love with an operating system seems, when we're in heat of the moment, it never feels weird. It just feels right.