“If you’ve done nothing wrong, you have nothing to worry about”

If you’ve done nothing wrong, you have nothing to worry about” This, or something like it, is the typical response to the issue if increased government surveillance made by people who have not thought very carefully about what it entails.

I have long wanted a simple response to this statement that would make them think about what they are saying.

Over on MetaFilter there is a nice thread containing many suggestions.