Just the germ of an idea that might be developed by the adventurous.
What if a bunch of us selected some webpage’s comments section and proceeded to make an indelible impression by leaving all sorts of ridiculous comments that would outstrip the inane ones usually found there. Yahoo! Answers or YouTube for example. Maybe some Fox News story of limited value otherwise.
Go to a public retail setting and yell “cite” every time a salesman makes a claim about a product? (Hell, you can probably think of a dozen more places to do that at.)