Nvidia's H20 China delays, plus the rise of AI companions 7/21/25

Nvidia said it expected to be able to resume sales of its H20 AI chip in China, but the chip giant is still facing significant roadblocks to its restart there, including cancelled orders and supply chain obstacles. Plus, Elon Musk's AI model Grok has launched two new AI companions, just the latest in the rise of more social AI.