Here Are 15 Of The Most Closely Guarded Secrets Only Two Living People Know

In today’s world of free information, there are still people and companies that hold valuable pieces of information that are not freely available to the public.Even though science has advanced to a degree where a competitor company can just reverse engineer a product, some companies still hold their own by holding secrets that make them exclusive in the market. And they go to ridiculous extents to keep the secret a secret and have been successful at it since these secrets have not been revealed for decades.