Of course, these technologies imply a shifting of cost and revenues between data holders and data subjects, which is why, perhaps, you don't hear more about them.
当然，这些技术的应用意味着 在数据拥有者们和 数据对象们之间将有花费和收入的变化， 也许这可能就是我们为什么没怎么听说过这些技术的原因。