E-commerce platforms can integrate with Facebook to let users directly comment on product pages using their Facebook accounts, a practice known as social media integration. Such integration can boost customer conversion by conveying credible information about product popularity and quality....

E-commerce platforms struggle to create and maintain high-quality reputation systems. One promising option is the ``Verified Purchase'' (VP) badge, which confirms that the user reviewing a product purchased the product from the platform. Previous works comparing reputation platforms that require...