Prior to his resignation, Yuan An, the head of product research and development at Alibaba's DingTalk, penned a comprehensive 10,000-word letter, offering a retrospective on his 15-year tenure at the company, a critical assessment of its current situation, and constructive suggestions for the future. Yuan An emphasized that the challenges facing a large corporation like Alibaba can indeed be overcome, emphasizing the importance of addressing internal issues to seize emerging opportunities. He expressed nostalgia for the company's early days, when its values and culture centered around integrity and doing good. Despite this, Yuan An decided to embark on a new path, hoping to harness the potential of the AI era to address societal challenges. The letter has garnered significant attention, resonating deeply not only among Alibaba employees but also with staff at other prominent companies.