罗永浩“科技春晚”迟到40多分钟，本人现场宣布门票全退

Group 1 - The event "2025 Annual Technology Innovation Sharing Conference" hosted by Luo Yonghao took place in Shanghai on December 30, with a delay of over 40 minutes for his appearance [2] - Luo Yonghao apologized for the delay and mentioned that he would provide an explanation later [2] - All ticket holders were promised a full refund, making the event effectively free for attendees [4] Group 2 - The conference featured various innovative products such as "fool-proof" drones, exoskeleton robots, desktop 3D printers, and ergonomic chairs, leading to comparisons with a sales event [6] - Luo emphasized during the live stream that he was not conducting a sales event despite the product showcases [6] - Tickets for the event were released on December 22, with prices ranging from 300 to 1000 yuan, and all tickets sold out within two hours [7]