Of course it is! As a customer, they can recommend me products based on what I've bought before. And if they sell more, that's valuable to their shareholders to

Of course it is! As a customer, they can recommend me products based on what I've bought before. And if they sell more, that's valuable to their shareholders too. They can predict what might sell more in the future, what might go down, etc. which gives them a lot of leverage over competitors when it comes to managing the supply chain, negotiating partnerships, hiring new staff.