Powerful futuristic story, utterly believable. I haven’t seen the movie “HER” (read and heard a lot about it) but it seems a possible next step.
The word in the title “relive” is actually re – live. A new console for your living room that allows you to relive (only as an observer though) your past.
Re – living your past has dangerous consequences for your life in the present…
(I read this in the New Yorker Magazine, March 17, 2014 issue).