Nvidia CEO Jensen Huang delivered a rare Mandarin-language keynote at the China International Supply Chain Expo on July 16, appearing in traditional Chinese attire. His presence underscored Nvidia's growing engagement with China's fast-evolving AI landscape.

For Nvidia, which this month became the first company to reach a $4trn market value, governments are a potentially lucrative source of business. Jefferies, an investment bank, estimates that sovereign initiatives could generate some $200bn in cumulative revenue for the chipmaker “over the coming years”;

As the chipmaker becomes world’s most valuable company, marketers face a new reality: the AI tools reshaping creative work and ad buying rely on a single supplier with growing influence.