Are yelp reviews fake?

Related questions

1. Why is TripAdvisor important?
2. Can Google spot fake reviews?
3. How do sites like Trivago make money?
4. Can anyone write a review on TripAdvisor?
5. Can you buy fake Google reviews?
6. Is TripAdvisor safe to use?
7. How do you make money with TripAdvisor?
8. Does TripAdvisor make money?
9. How does TripAdvisor ranking work?
10. Can you fake Google reviews?

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