# anti-spam

WeChat Blocks Alibaba’s Qianwen New‑Year Giveaway — Platform Power Meets Growth Hacking

WeChat quickly blocked sharing links for Alibaba’s Qianwen app after the latter launched a large Spring Festival referral promotion, following a recent similar ban on Yuanbao red‑envelope links. The move underscores how dominant platforms police virality to protect user experience and manage competitive optics, forcing marketers to rethink referral‑based growth.