This question is a classic Fermi problem, designed to assess your problem-solving and estimation skills rather than a specific factual recall. The goal is to demonstrate a logical approach to breaking down a complex question with limited data. A strong answer would involve:
- Clarifying Questions: Asking about the number of active users, average engagement per user, or the proportion of users who actively 'like' content.
- Assumptions & Calculations: Estimating the number of daily active users, the average number of posts a user sees, and the probability a user likes a post. Multiplying these figures provides a rough estimate.
- Reasoning: Clearly explaining each assumption and calculation step, acknowledging the inherent uncertainty, and discussing potential factors that could influence the final number (e.g., viral content, bot activity, regional differences).
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