A shopper asks an AI assistant for a carry-on that fits strict airline limits, survives weekly travel and costs less than $250. In seconds, the assistant compares dimensions, materials, warranties, reviews, delivery dates and return policies. Three products survive. Hundreds disappear. By the time the shopper reaches a website, much of the sale has already happened—and the first customer the brand had to persuade was not human. That is the marketing shift of 2026. AI is no lo

AI shopping agents can compare products before customers visit a storefront. See why catalog accuracy is becoming a decisive layer of marketing.