Business Insider's reporters walk through the big layoffs at Amazon, why the cuts came, and who could be next.

The company's top human resources executive said Tuesday that the tech giant needs to be "organized more leanly" due to the "transformative" nature of AI.

Amazon said it has completed its Project Rainier data-center cluster, which is powered by nearly 500,000 of the company’s Trainium 2 chips.

Amazon is laying off 2,303 Washington-based employees, with 1,887 in Seattle alone. It's a move projected to deal a multimillion-dollar blow to the city’s tax revenues. The e-commerce giant announced 14,

Amazon’s cloud-computing arm plans to invest an additional $5 billion in South Korea over the next six years to build new artificial-intelligence data centers in the country.

Amazon.com said on Wednesday it has launched its compute cluster project called Rainier, and added that artificial intelligence firm Anthropic will use more than a million chips of the infrastructure by the end of the year.

Although Nvidia remains popular with many billionaire investors, it's not their favorite AI stock. The only AI common denominator for billionaires Ken Griffin, Izzy Englander, Chase Coleman, David Tepper, Bill Ackman, and Warren Buffett is Amazon.