Answer:
What can be cracked before it's used?
I have cities without people forests without trees and oceans without water. What am I?
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
No matter how hard you hit me, no matter how much I hurt, I'll always go for a laugh. What am I?
I have been the beginning of ideas for all time yet I am just one simple small object the things that you can use me for can be frustrating and also I can be pretty. I have some of the most valuable thing in the world on me yet almost everyone owns me.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?