After warning AI is too dangerous, Bill Gates bets a billion on its upside

The Gates Foundation is investing at least a billion dollars over two years to make AI tools more widely available in health, education, and agriculture. Bill Gates warns that more than 90 percent of the training data behind early language models came from English sources, and that speech recognition fails 60 percent of the time in Yoruba. The market, he says, is "a terrible guarantor of equal…