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 have no life but I can die. What am I?
The last man on Earth received a phone call, who was the caller?
I have a strong affection for belly buttons.
I am one small little piece of paper yet sometimes hold lots of value. I am all you need to get in to big events but will cost you. I am an important part of travel. And if lost you're not coming.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.