Dennis Harvey Film Critic“A.rtificial I.mmortality” provides a diverting if superficial survey of how fast-evolving technology might be able to extend our lives — or at least some of our memories and characteristics. Featured as Hot Docs’ opening night selection, this Canadian documentary from director Ann Shin presents once-fantastical ideas now edging toward reality in a form palatable to broadcast viewers looking more for casual entertainment value than weighty investigation.