In 2018, Zhang Yiming Issued an Open Letter Apologizing for the Shutdown of Neihan Duanzi
In the early hours of April 11, 2018, ByteDance founder Zhang Yiming published an open letter regarding the permanent shutdown of his Neihan Duanzi app, saying the product had gone down the wrong path, contained content inconsistent with the core socialist values, and had not properly implemented guidance of public opinion.