Amazon is already weighting reviews based on whether they are verified purchases, among other features: http://www.cnet.com/uk/news/amazon-updates-customer-revi

Amazon is already weighting reviews based on whether they are verified purchases, among other features: http://www.cnet.com/uk/news/amazon-updates-customer-reviews-with-new-machine-learning-platform/ http://www.cnet.com/uk/news/amazon-updates-customer-reviews-...