This paper examines digital technology trends that are influencing the current and future business practices of the food retail landscape, including transnational grocery stores and chain restaurants. It describes trends in online food sales and meal delivery, and presents ethical concerns related to the use of digital technology in the food retail sector. It concludes with examples of how food-system stakeholders are using digital technology to support healthy and sustainable diets, providing some insights into how the COVID-19 pandemic has transformed the food retail sector.