The NextGen Commerce conference hosted in New York City covered a wide range of topics related to the future of next-gen commerce, including AI, customer experience, luxury, personalization, e-commerce, sustainability, grocery, real estate, and investing. The conference featured keynote speakers, panel discussions, and insights from industry experts. Some key takeaways included the importance of in-store experiences, the role of AI in redefining retail, the need for personalization, the impact of technology on supply chain and sustainability, the challenges and opportunities in the grocery industry, the significance of customer service and employee training, and the trends in investing in retail and technology startups.