Ray Kurzweil actually made his first public prediction about AI reaching human-level intelligence back in the 1980s! He's updated his timeline several times but has consistently maintained his 2029 prediction for human-level AI since the 1990s - making him one of the few futurists to stick to their original timeline predictions over multiple decades.

Based on current AI progress and remaining technical challenges, is Kurzweil's prediction of human-level AGI by 2029 realistic?