"any excuse that they can find to silence their critics and that those governments have responded to the rise of the internet by stepping up their own efforts to control what people read, see, write, and say"
It occurs to me, with Nanotechnology only 8-15 years off, after all the legal maneuvering and appeals, that any legislation that is enacted, will be a moot point by the time it is finalized and implemented.
I wouldn't worry about this to much. A system like this is going to be abused, by politicians, their friends, and families. Even if it isn't, the rumors that it is being abused, are more than enough to cause it's failure.
you are filming a police officer from 30 feet out. The police officer walks towards you. You back away. The police officer draws his gun and tells you to stop backing away. You tell him you have to stay at least 25 feet away from him to film him. you get shot.