Microsoft founder Bill Gates says NFTs are "100% based on greater fool theory," the premise that people may benefit by buying assets that are overpriced and then selling them at a profit.
Multibillionaire Elon Musk will meet Twitter employees this week for the first time after initiating his $44 billion buyout offer to the social media company.
Another state provides new stimulus checks for its residents, but those who missed the federal payments are the only people who could receive the money.
Japan's parliament passed legislation making "online insults" punishable by imprisonment on Monday, following the suicide of a reality show star who had experienced social media harassment that shocked the nation.