Grocers have always competed on location, price and assortment. AI is adding a fourth axis: who the household trusts to make its decisions. Aparna Galiasso of AWS looks at both sides of that shift. Up front, agents are changing how shoppers discover products and where their loyalty goes. In the back of house, where much of the cost lives, agentic AI is starting to run whole processes instead of single tasks. She'll share what Amazon has learned along the way and a few moves grocers can start on now.