Amazon’s AI-infused Rufus shopping assistant has new features that make it a “faster, more useful, state-of-the-art shopping companion.” Google’s agentic checkout feature “can do the heavy lifting to help you get the perfect item without blowing your budget.” OpenAI on Monday unveiled a free ChatGPT tool it says can generate a personalized gift-buying guide.New artificial intelligence shopping tools are sprouting right and left just in time for the holidays, when US consumers are expected to spend a record  ...