86% according to http://bigthink.com/endless-innovation/why-ray-kurzweils-predictions-are-right-86-of-the-time http://bigthink.com/endless-innovation/why-ray-ku

86% according to http://bigthink.com/endless-innovation/why-ray-kurzweils-predictions-are-right-86-of-the-time http://bigthink.com/endless-innovation/why-ray-kurzweils-pre...