3 ways AI is changing how people shop, marketers work and stacks evolve | MarTech
Briefly

Marketing covers product, technology, operations, branding, pricing and growth, making comprehensive coverage impractical. Generative AI, chatbots and predictive models enhance existing marketing functions but serve as table stakes. AI is shifting the consumer decision experience by inserting agents that make initial selections before humans encounter options. Traditional reach-and-repetition tactics lose effectiveness as agents filter and surface a few recommendations, sometimes reducing interaction to a single functional moment for utility purchases. These agents act as filters, recommenders and the first layer of engagement, weighing needs, preferences, constraints and context, requiring clearer differentiation and changes to marketing technology and workflows.
For decades, marketing ran on reach and repetition. Get in front of the customer often enough, and familiarity would tip the scales. That worked when the buyer was the primary decision-maker. Now, AI agents are making the first pass before humans even see the options. This shift rewires the buying experience, changing which brands get seen and, in some cases, reducing the customer interaction to a single, functional moment.
Marketers have long optimized for human biases - choice paradox, availability bias, default bias. AI disrupts that by inserting itself between the product and the person, becoming: The filter. The recommender. The first (and sometimes only) layer of engagement. Much like social media transformed word-of-mouth, this shift will transform shopping itself. These agents will weigh a customer's needs, preferences, constraints and contextual data, filtering out what doesn't match and surfacing only a few recommendations.
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