Amazon CEO Andy Jassy hailed generative AI in his annual letter to shareholders. He said generative AI could be the biggest technological change since cloud computing (which is still in its infancy), and perhaps even since the Internet. Amazon's cloud subsidiary AWS is investing in three layers of the "GenAI" stack. At the bottom is the computing power and software to train its own models. In the middle is the Amazon Bedrock Service, which customers can use to customize existing models. And at the top are applications like Amazon's AI-powered shopping assistant Rufus, a smarter Alexa, and AI tools for advertising. Amazon is particularly focused on security because customer models contain highly sensitive data, and that's where AWS offers the best opportunities, Jassy said. Amazon may have had a tough learning curve here, given that Amazon's Q business chatbot reportedly leaked sensitive data last year.

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Online journalist Matthias is the co-founder and publisher of THE DECODER. He believes that artificial intelligence will fundamentally change the relationship between humans and computers.
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