The author recounts a disappointing experience after paying $4,000 for an online course from an influencer with a million followers. Despite the influencer's large following and the course's promise, the author generated no income from the knowledge gained. This experience highlights a disconnect between influencer marketing and actual return on investment for educational content. AI
RANK_REASON The item is a personal anecdote about influencer marketing effectiveness, not a core AI development or industry event.
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