Most online marketplaces share common characteristics that distinguish them from other ecommerce shops. These characteristics include:
Products from many different third-party sellers
Easily accessible product reviews from other users
User accounts with a variety of features, and often social functionality
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These features generally make the shopping experience more interactive. They also help instill trust that the customer will get what they’re paying for, which can sometimes be a concern with online marketplaces. This is because buying from third-parties is riskier and less reliable when it comes to product quality and customer service.