- Are you tired of having a hundred different cables? One for each type of device you have? Wouldn't it be wonderful, someday in the future, to have just ONE cable..that would work with EVERY device? The world proprietary is defined as "exercises private ownership, control or use over an item of property, usually to the exclusion of other parties." That may be good for those people who own it, but NOT so good for the consumers. Open is good. Proprietary is bad.