This collection focuses on the use of recommendations or suggestions from the marketplace in order to capture value. The business value of a recommendation or suggestion is that it helps e-businesses (including e-commerce) and social media platforms to uncover associations that are amongst large amounts of transactions data, for the purpose of providing personalized shopping suggestions and recommendations to consumers. A Recommendation Systems (RS), therefore, would be a significant opportunity for monetization providing a competitive advantage to firms in the electronic marketplace by helping with up- and cross-sales (Heimbach et al., 2015), reducing consumers’ costs for searches (Köhler et al., 2016) and other innovative forms of bundling digital products. This collection covers state-of-the-art strategies, approaches, and case studies of RS that may be adopted in global electronic markets.