A through the integration of campus idle personal transport capacity, to solve the courier station is too far away, students express to pick up the problem of inconvenient, and to provide students with part-time opportunities to take C2C express products, in the 2.0 version of the blockbuster launch of the "monthly card", so that users the next day to retain a leap of "70% 」 Scenario overview: Students need to go to the courier station 3 kilometers away to pick up the express. User requirements: Express on behalf Product Summary: Students can pay to issue orders for delivery and let students pick up express delivery. User Roles: Students in school (need part-time to earn money/need to take express delivery) Current Status: It has been on-line for 360 days, and there are naturally new users every week, generating income every day. The current operating version is version 2.0, and the monthly card opening rate is 21% 1. business model "Bag Friends Express" can easily obtain users with the help of the 0.4 billion ecology of WeChat applet on WeChat platform. With the help of the "installation-free" and "ready-to-use" applet features, it can be well targeted at specific users, including but not limited to "next day retention" operation. In contrast, "Dina Group Chat" is not a product in the strict sense, and naturally it cannot reasonably use product means to improve and transform the business model. 2. convenience At the beginning of the design of "Bag Friends Express", the user's usage scenarios have been fully considered, so all interfaces are optimized according to the user's usage habits. In contrast, the essence of "group chat on behalf of others" is just an ordinary WeChat group. It is easy to lose orders, miss orders, etc. when using it, which affect the convenience of issuing orders and receiving orders. (There is also no effective function to take photos and retain evidence on behalf of) 3. user experience According to user research, students who use "Bag Friends Express" agree that the platform is easy to use and can better meet their demand for express delivery than "group chat. In contrast, "group chat on behalf of others" generally reflects that the order is not received in time and the order sending message is pushed up by chat.