The article found that in some instances, the Yelp review area for a business has become flooded with such review submissions after a business was involved in politically sensitive action.
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It's as arbitrary as a doctor asking does it hurt a lot? Based on average results from a sample study of restaurants that purchased Guest Manager and Yelp Ads for at least 90 days in Q2-Q3 2021 versus the 90 days prior to making a purchase.