While businesses want to give as much publicity as possible to their products, they often want to keep how those products are created a secret. There's good reason for this, too. When the process by which a popular secret becomes known to others, similar products can be made, perhaps for cheaper, thereby leading to significant market competition. Therefore, businesses oftentimes put a lot of effort into protecting their trade secrets, which sometimes leads to trade secret litigation.
The way a business operates, including the way it creates its goods or distributes its services, can be extremely valuable information.