As a Q&A community positioned for professional discussions, Zhihu is set to celebrate its 15th birthday on January 26. Recently, the platform initiated a series of anniversary activities, which include reopening the community's very first question, "How to use Zhihu correctly?", and launching a campaign to collect 15 years' worth of experiences and stories. According to reports, Zhihu officially launched on January 26, 2011. The question "How to use Zhihu correctly?" was the first one ever posed on the platform, marking the beginning of community creation.

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