Amazon CEO Andy Jassy on what AI means for the future of organizations: smaller teams, new jobs, and the ability to invent "much more expansively and much more quickly." "I started at the company 29 years ago. I started as an assistant product manager, and I was the product manager for, I don't know, five products." "When companies get successful and they get bigger... everybody becomes more specialized, and everybody accepts that that's the way you have to do business if you're building…