Answer:
What has 13 hearts but none beat?
I can run but not walk. Wherever I go, thought follows close behind.
I cost no money to use, or conscious effort to take part of. And as far as you can see, there is nothing to me. But without me, you are dead.
I have legs but never walk, I may have flowers but no soil, I hold food but never eat.
My first is nothing but a nameอพ my second is more smallอพ my whole is of so little fame it has no name at all.
What language does a billboard speak?