On March 30, Han Shangyou, president of TikTok’s parent Douyin, announced the launch of the “Douyin Safety and Trust Center” website. With the public disclosure of its algorithm, Douyin aims to address the issues it has helped create. Details: Douyin introduced two models: the Wide&Deep model and the Two-Tower Retrieval Model. The Wide&Deep model , as its name suggests, combines a single-layer Wide component with a multi-layer Deep component. , as its name suggests, combines a single-layer Wide component with a multi-layer Deep component.