Answer:
I can point in every direction but can't reach the destination by myself. What am I?
Everyone has me except for a few. You may not be able to identify me but I can always identify you. What am I?
I am known for my natural tuxedo and marching. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
What is lighter than what it is made of?