The task was clear: test how well the AI could plan a trip to Norway, a place I had never been. So I didn't do any of my usual obsessive online research and instead asked three AI planners to create a four-day itinerary. None of them, alas, mentioned saunas or salmon.Two assistants, however, were eager to learn more about me to tailor their initially generic recommendations, which they had made in seconds. Vacay, a personalized travel planning tool, presented me with a list of questions, while Mindtrip, a new AI-powered travel assistant, invited me to take a quiz. (ChatGPT, the third assistant, didn’t ask anything.)The questions from Vacay and Mindtrip were similar: Are you traveling alone? What is your budget? Do you prefer hotels or Airbnbs? Would you rather explore the great ...