Where did he say that locks make it easier? > but a properly-locked-down system will not let you modify the code even if you can look at every single piece of

Where did he say that locks make it easier? > but a properly-locked-down system will not let you modify the code even if you can look at every single piece of code and data on the system I think in the quote you used Doctorow is simplifying things for a general audience. Please give an example of a "properly-locked-down system" that can be protected from someone with physical possession of it. It's not the iPhone, as he said iPhones can be "jailbroken," (I don't know if I would call it "easy" as he does).