Answer:
Many hear me, but no one sees me, and I only speak when spoken to
No matter how little or how much you use me, you change me every month.
What building has the most stories?
Though blind as well, can lead the blind well.
George, Helen, and Steve are drinking coffee. Bert, Karen, and Dave are drinking soda. Is Elizabeth drinking coffee or soda?
I am black within and red without; with four corners round about. What am I?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?