Also, how do you distribute the basic materials to each home? How do you print an ipad let alone a lithium ion battery pack without lithium? You would need a

Also, how do you distribute the basic materials to each home? How do you print an ipad let alone a lithium ion battery pack without lithium? You would need a true "universal assembler" convert one element into another. At that point...I don't think you are worrying about a "jobless" economy.