Riddles

What is always in front of you but can't be seen??

What can you break, even if you never pick it up or touch it??

The more of this there is, the less you see. What is it??

I can be cracked, I can be made. I can be told, I can be played. What am I??

What comes up when the rain goes down??

Poor people have it. Rich people need it. If you eat it you die. What is it?

This is as light as a feather, yet no man can hold it for long. What am I??

What can point in every direction but can't reach the destination by itself??

What beings with an "e" and only contains one letter??

The person who makes it has no need of it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it??