The law is (nowdays) is backed by writing, and since I think that computing is a next step in the evolution of writing (along with printing press) one day---likely in dozens of generations (hundreds of years)---the law will be backed by computing.
All these technologies change the nature of a human's consiouness; it will take hundreds of years. Look at Walter Ong's work for better made arguments along these lines https://en.wikipedia.org/wiki/Walter_J._Ong