His Job Is to Turn Walmart's Customer Data into Profit

The solution I guess is to use prepaid credit cards. They can't know the identity of the shopper. There is a virtual credit card too apparently that hides the identity of the owner.

As soon as they figure who the user is, they know your net worth; it is not a recent phenomenon but now with Ai they can act on it with precision

Gift link: https://www.wsj.com/business/retail/seth-dallaire-walmart-ef...