I did a data warehouse for one of the big hotel chains and what you bought from the mini bar was part of the data they wanted. They wanted to make sure that the

I did a data warehouse for one of the big hotel chains and what you bought from the mini bar was part of the data they wanted. They wanted to make sure that the mini bar was stocked with what their best customers wanted when they booked a room. Some call it an invasion of privacy and some call it customer service.