Answer:
Before Mt. Everest was discovered what was the highest mountain in the world?
I make billions of dollars selling windows. Who am I?
I pass before the sun, yet make no shadow. I'm all around you, but you cannot see me. What am I?
I march before armies a thousand salute me. My fall can bring victory but no one would shoot me. The wind is my lover one-legged am I. Name me and see me at home in the sky.
I am a cave full of bones and the house of a worm.
The answer I give is yes, but what I mean is no. What was the question?