Answer:
I am bought by the yard but worn by the foot. What am I?
People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?
you need thousands of me to create a digital image.
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see, and I'm neat and tidy, as can be. What am I?
You use a knife to slice my head but you weep beside me when I am dead
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.