Webwhile the specific technologies and tactics will continue to evolve, the core psychology behind personalization is evergreen. Brands that had the highest personalization roi (3x or more) focused on loyalty as their top kpi. Webproduct personalization, the practice of tailoring products to meet individual customer preferences and needs, has become a cornerstone of modern marketing strategies. Webin marketing, personalization is the action of designing and producing in ways that resonate with customer preferences. Content and products that are. Webpersonalization is nothing new. From email marketing to sales, to customer targeting, the power of speaking directly to the customer is already a powerful marketing.