Answer:
I turn around once. What is out will not get in. I turn around again. What is in will not get out.
I am a delicious way of representing data.
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?
I ask no questions but receive a lot of answers. What am I?
By Moon or by Sun, I shall be found. Yet, if there's no light around, I am undone. What am I?
Whatโs a carpetโs favorite sport?