Amazon is letting advertisers test buying ads on ChatGPT via Amazon’s advertising technology platform, Amazon said on Sept. 10.

ChatGPT started selling ads earlier this year, which it has let advertisers buy through its own interface and via partnerships with smaller advertising technology firms ...

Kevin Mandia, a cybersecurity expert who founded Mandiant, is joining Amazon’s board of directors, increasing the board’s size to 12. The board had shrunk briefly after Keith B. Alexander left the board in the spring. Like Mandia, Alexander had a security background—he served as a general in the ...