Group 1 - The article highlights that the "Car Fans" practitioner community is the largest in China, with 14 fully populated groups and nearly 10,000 members [1] - There is currently availability in the 15th group, open to all automotive practitioners including those in frontline, R&D, and supply chain roles [1] - The community facilitates peer communication, topic discussions, expert sharing, and job opportunities, with some information to be shared exclusively within the groups in the future [1]