Answer:
As round as an apple. As deep as a cup. All the king's horses can't pull it up.
My life can be measured in hours, I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
The stack just might be sent all over. Full of what's new, yet it's nearly obsolete.
I grow for a surface, even if you cut me. I continue to grow even after death.
Something wholly unreal, yet seems real to I. Think my friend, tell me where does it lie?
What did the piece of wood say when he saw the screwdriver and screws approaching?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?