This question is a classic Fermi problem, designed to assess your problem-solving and estimation skills rather than your knowledge of specific Twitter statistics. The goal is to demonstrate a logical approach to breaking down a complex problem with limited data. A strong answer involves:
- Clarifying Questions: Ask about the scope (e.g., all languages, all users, active users) and the timeframe (e.g., average day, peak day).
- Assumptions and Data Points: Estimate or state assumptions for key figures like the number of active Twitter users, the average number of tweets per user per day, and potentially the percentage of users who tweet daily.
- Calculation: Multiply the estimated number of active users by the estimated average tweets per user per day.
- Refinement: Consider factors like bots, retweets, and variations in user activity to refine the estimate.
For example, if you assume 300 million active users and each tweets 2 times per day on average, that's 600 million tweets daily. You would then explain the reasoning behind these assumptions and acknowledge the inherent uncertainty.