macrozheng
Nov 28, 2020 · Product Management
How a Single Email Sparked WeChat’s Rise to 1.2 Billion Users
From a modest line of code written in a Guangzhou basement in 2010 to a sprawling ecosystem of features, WeChat’s evolution—driven by Zhang Xiaolong’s vision, iterative updates, and strategic product decisions—illustrates how focused product management can transform a simple messaging app into a national‑level platform used by over 1.2 billion people.
Feature IterationMobile AppsProduct management
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