Bill Gates on AI: once an optimist, now deeply pessimistic — publishes nearly 6,000-word essay

Microsoft co-founder Bill Gates has published a nearly 6,000-word essay expressing deep concern about what AI means for humanity's collective future. Once a staunch AI optimist, Gates says his recent reflections have triggered a stark awakening and he is now deeply pessimistic. After a period of conspicuous silence on AI issues, he has re-entered the public debate with this lengthy piece.