Did you know that you can tell whether the next exit is going to be on the right or the left WITHOUT reading the “LEFT EXIT” sign? Just look where the exit number is relative to the exit destination sign.
Or how about the prescription bottle? Isn’t the child lock the worst? It wasn’t designed to make your life ****. They always had a plan. All you have to do is turn the cap upside down. It is threaded on the outside to be used as a normal cap.
Checkout the post over at Cracked for more hidden design features in everyday life objects.