Amazon’s AI services at its cloud-computing unit are generating annualized revenue of more than $15 billion, CEO Andy Jassy said, the first time the company has reported numbers on a business it has backed with billions of dollars in investment. The figure, based on first-quarter performance, represents roughly 10% of Amazon Web Services’ $142 billion revenue run-rate and follows years of wait from investors and analysts. The disclosure was one of several Jassy made on Thursday in his annual