Answer:
This is a shape and a symbol that we literally cannot live without. What is it?
There's one in every deck of cards and in a famous movie
Before Google, we actually had to physically look things up in this building full of knowledge.
Every country has one, though we are not the same. Waving to our citizens, throughout the wind and rain. What is it?
What is something yet nothing, but if you fill it up it will disappear?
How do you know if a sniper likes you?