Dominick Reuter/Business Insider Walmart's head of growth says AI commerce presents an opportunity for a more strategic approach to ads. Ads have already overrun many conventional search engines, and they're coming to some AI platforms. For now, the company said it's benefiting most from learning how people interact with chatbots. Retailers like Walmart are wading into AI-powered shopping, and their ads are coming, too. Walmart's chief growth officer, Seth Dallaire, said this new tech calls fo