Answer:
I grow where no flower grows, where no light touches the walls, up or down, that I don't care, was here before people were.
What can be seen but never found that only hides in the unwound?
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face.
I am the tool, for inspiring many. Buy me in the store, for not much more than a penny. Don't overuse me, or my usefulness will go.
What has a mouth but can't chew?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?