I didn’t think I’d come back to that subject anymore, but this post by Scott Adams (the Dilbert guy) was too good to pass… :
Recently an airport security guy confiscated my 4 ounce shampoo
container because he said the maximum allowed is 3 ounces. I pointed to
the airport’s own sign that says 4 ounces is allowed, but that didn’t
seem like a good argument to him. It was too late to check my bags, so
he confiscated my mostly empty 4 ounce container.
But here’s the interesting part. (read the rest)