Answer:
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
I can be found in water but never wet
What can travel around the world while staying in a corner?
I go up but never come down. What am I?
I go up, let out a load and then go back down. What am I?
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?