What is the easiest way to explain to the average citizen that the "Nothing to hide, nothing to fear" argument is not a good reason to let the Government keep tabs on your online activities? Most people don't give any thought to online privacy that it truly scares me.
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Imagine a crime takes place in a certain area. Using surveillance technology, police identify everyone who was in the area around the time of the crime. They do this through license plate recognition, face recognition, cell phone tracking, and credit card receipts. You happen to be on that list because you were shopping at a nearby store earlier.
You're now technically a suspect in a crime, although there's a thousand other suspects, and you have nothing to hide, so no big deal, right?
A witness saw the perpetrator running away from the crime. They only saw them from the back, but report that the suspect is a tall white male around 40 years of age.
So police narrow down that list to just people who fit this description. Uh oh, the list is now only about 50 people, and you're one of them.
The crime appears to be a potential race-motivated hate crime. Using web profiling, investigators search for those 50 people to look for any history of involvement with hate groups. The algorithm they use has over-zealously classified certain extreme right wing news sources as potential markers for hate crime.
You're not particularly worried, I mean, you're obviously not some crazy racist. There's no way they'd be interested in you.
But you forgot - six months ago, you started to get interested in the immigration debate, and posted on several anti-immigration forums.
With the additional profiling, the list narrows down to 8 suspects, including you. You happen to fit other markers for this kind of crime as well - you live alone, work a less prestigious job, neighbors say you don't go out much.
Now you're a suspect in a crime. You'll almost certainly not be convicted, because there's no direct evidence. But good luck explaining that to your employer, your family, your friends, and the criminal defense lawyer you now have to pay for.
Still think you have nothing to hide?