Answer:
I always have to work with something in my eye. What am I?
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
You used to come to me for all sorts of information and knowledge before the internet was born
I belong to you but others use me more often than you do
What gets whiter the dirtier it gets?
What language does a billboard speak?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic