Online personalization refers to the practice of tailoring digital content and experiences to individual users based on their preferences, behaviors, and demographics. This can include personalized recommendations for products, customized email marketing, and content that adapts to a user's interests. Companies like Amazon and Netflix utilize algorithms to analyze user data, enhancing engagement and satisfaction. The goal of online personalization is to create a more relevant and enjoyable experience for users, ultimately driving conversions and loyalty. By leveraging data from user interactions, businesses can better understand their audience and deliver targeted messages that resonate with each individual, improving overall effectiveness.