Answer:
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
I make billions of dollars selling windows. Who am I?
Cloud is my mother, wind is my father. What am I?
I am round as an apple, deep as a cup. All the King's horses can't pull me up. What am I?
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.