Group 1 - The core initiative of Taobao Flash Sale is the nationwide launch of social security subsidies for delivery riders, enhancing welfare benefits across 58 cities [1][3] - In Changsha, eligible riders can receive a monthly subsidy of 570.08 yuan after paying for pension and medical insurance, while team leaders and honorary riders can receive up to 1,140.16 yuan monthly, totaling approximately 13,700 yuan annually [1][3] - The social security measures are based on self-reliance and inclusivity, allowing both full-time and part-time riders to independently pay and receive subsidies, with Taobao Flash Sale covering at least 50% of the insurance costs [3] Group 2 - From January 16 to 19, Taobao Flash Sale is offering meal benefits for riders starting at 1.7 yuan, along with increased red envelope distributions [3] - On specific "welfare days," such as the 7th and 27th of each month, riders can access discounts of at least 50% on delivery gear, products, phone credits, and meal vouchers [3] - The company has also introduced free cold weather insurance for riders, increased order rewards, and enhanced weather subsidies, alongside an upgraded AI assistant with over 70 new features to improve delivery efficiency and income [3]