Answer:
What starts with an 'e' and ends with an 'e' but only has one letter?
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
If you've got me I'm everywhere. If you share me I'm nowhere. What am I?
I can be short and sometimes hot. When displayed I'm never cold. What am I?
I cannot be felt, seen or touched. Yet I can be found in everybody. My existence is always in debate, yet I have my own style of music. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.