Third-party data refers to customer information and data obtained from external sources such as data providers, social media platforms, and other businesses. E-commerce businesses can use third-party data to complement and enhance their own customer data, resulting in improved marketing and sales strategies. Utilizing third-party data is vital for e-commerce businesses to enhance customer engagement, revenue growth, and satisfaction. By acquiring more customer data and insights, businesses can create more personalized marketing campaigns, enhance product recommendations, and boost the lifetime value of their customers.