Answer:
I stare at you, you stare at me.I have three eyes, yet can't see.Every time I blink, I give you commands.You do as you are told, with your feet and hands.What am I?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
Lighter than what I am made of, more of me is hidden than is seen. What am I?
I am a mountain at night, meadow at day. What am I?
I am a food with 5 letters. If you remove the first letter I am a form of energy. Remove two and I'm needed to live. Scramble the last 3 and you can drink me down.
Before Google, we actually had to physically look things up in this building full of knowledge.