How accurate was Kubrick's "2001: A Space Odyssey" about the future?

How accurate was Kubrick's "2001: A Space Odyssey" about the future? - currybetdotnet - 18 February, 2009: "I recently re-watched Stanley Kubrick's 1968 movie masterpiece '2001: A Space Odyssey', and I was struck by how accurate many of the film's portrayals of the future were."