It depends on the specific business and its goals. B2C digital marketing can be more effective for businesses that target individual customers as it allows them to create more personal connections with their customers. B2B digital marketing is more effective for businesses that need to build relationships with other businesses, as it allows them to target a more specific audience with more specific messaging. Ultimately, it is important to evaluate which type of digital marketing strategy will be the most effective for a business before deciding which one to use.