A US appeals court has made a significant ruling in favor of Perplexity, a startup that developed AI shopping agents. The court decided that users, not the startup, are responsible for accessing Amazon's platform. This decision sets a precedent for the use of AI agents on online platforms and may have far-reaching implications for the industry. The ruling could pave the way for more AI-powered tools to be used on e-commerce websites. This development matters because it may lead to increased innovation and competition in the e-commerce sector.