Group 1 - Actor Daniel Wu has launched an English speaking course on social media, attracting significant attention with sales exceeding 5 million yuan in just five days [1][3] - The course, titled "Daniel Wu Teaches English," is a collaboration between Gaotu Education Group and Yashi Education Technology, featuring 84 lessons priced at 398 yuan, averaging less than 5 yuan per lesson [3][4] - The course content includes videos recorded by Wu, with each lesson lasting 8-10 minutes, although feedback indicates that only about half of the time features Wu himself [4] Group 2 - The trend of celebrities entering the education and training market is not new, with 13 celebrities reported to have ventured into this space over the past decade, primarily in language training and music education [4][5] - Notable examples include Zhang Quanling's "Shaonian Dedu" app for language training and Yang Lan's language course, which has sold 12,000 units [5] - While celebrities bring influence to the education sector, the industry requires specialized teaching methods and a focus on quality and service [5]