? You could manually analyze the reviewers for suspicious non-specificity, typical of paid reviewers for whom it is not cost effective to write a tailored revie

? You could manually analyze the reviewers for suspicious non-specificity, typical of paid reviewers for whom it is not cost effective to write a tailored review when they are being paid pennies per post. Also over time you could compare the quality of products that it says have fake reviews vs ones it says does not.