This source is an installment of an IT journalist's newsletter focusing on understanding Chinese IT. The primary content of this issue is a feature on Huawei, discussing its rise to become the world's largest telecommunications equipment vendor and the life story of its founder, Ren Zhengfei, highlighting his humble beginnings and the challenges he faced. The article also mentions the controversies surrounding Huawei's ties to the Chinese government and the reasons for the US's concerns about the company.