Group 1 - The article discusses the classification of products into e-commerce friendly and non-friendly categories, emphasizing that only non-friendly categories require offline stores [1] - It highlights the importance of store size and frequency of purchases, stating that high-frequency, low-ticket items should have smaller stores, while low-frequency, high-ticket items should have larger stores [1] Group 2 - The article promotes an upcoming offline learning event led by Wu Shichun, aimed at exploring innovation in lower-tier markets and seeking new growth engines [2][6] - The event is scheduled for September 21-23, 2025, and will include deep engagement with industry leaders and entrepreneurs [7][8] - Participants will have opportunities to learn about technology innovation, commercialization strategies, and network with over 100 entrepreneurs [8][18] Group 3 - The event will cover various sectors including robotics, smart manufacturing, low-altitude economy, satellite communication, and hard technology combined with consumer products [19][20][22][23] - The cost of participation is set at 15,800 yuan per person, with an early bird discount of 12,800 yuan, which includes accommodation and meals [24]