Answer:
I can be written, I can be spoken, I can be exposed, I can be broken.
Two men walk into a restaurant. One man orders H2O. The second man says, “I will have H2O too.” The second man dies. How come the second man dies?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.
The stack just might be sent all over. Full of what's new, yet it's nearly obsolete.
You throw away the outside, eat the inside, then throw away the inside. What is it?
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.