雷军，已发起诉讼

Group 1 - The article highlights the issue of "black PR" in the automotive industry, particularly affecting companies like Xiaomi, Xiaopeng, NIO, and Deep Blue, with reports of malicious activities and false advertising [1][3] - A recent report revealed that a popular short video platform has high pricing for promotional videos, with rates ranging from 18,000 yuan for 1-20 seconds to 38,000 yuan for over 60 seconds, indicating that black market transactions may charge even more [1] - Xiaomi's legal department has taken action against hundreds of accounts involved in black PR, initiating multiple lawsuits to combat the issue [1] Group 2 - A joint action by six government departments aims to address illegal profit-making, exaggerated claims, and malicious attacks within the automotive sector, reflecting the growing concern over black PR and online misinformation [3] - Investigations into viral videos falsely implicating NIO in accidents revealed that they were fabricated, with one video being a manipulated foreign incident and another created using AI [4] - The cost of spreading false information is low, while the effort and expense required to clarify such rumors are significant, posing a threat to the overall future of China's new energy vehicle industry [4]