Answer:
Golden treasure I contain, Guarded by hundreds and thousands. Stored in a labyrinth where no man walks, Yet men come often to seize my gold. By smoke I am overcome and robbed, then left to build my treasure anew
I'm not really more than holes tied to more holes. I'm strong as good steel, though not as stiff as a pole.
My first keeps time, my second spends time, my whole tells time.
The stack just might be sent all over. Full of what's new, yet it's nearly obsolete.
I fly, yet I have no wings. I cry, yet I have no eyes. Darkness follows me. Lower light I never see.
What never asks questions but receives a lot of answers?