Answer:
You write on me and secrets I can keep. In places never seen. I spin like a top. Though stiff as a board I'm often described like a mop.
I am filled with garb the price is free. Just return what you don't need.
I run up and down the stairs without moving
I am a rock group with four members. All dead one was assassinated.
What's made of water but if you put it into water it will die?
What language does a billboard speak?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic