Answer:
I am a delicious way of representing data.
The more you have of it the less you see. What is it?
I am bought by the yard but worn by the foot. What am I?
I am whole but incomplete. I have no eyes yet I see. You can see and see right through me. My largest part is one fourth of what I once was.
I can go through glass without breaking it.
Give it food and it will live, give it water and it will die.