Answer:
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams dreamt, my merest touch brings laughter.
The one who makes it, sells it. The one who buys it, never uses it. The one that uses it never knows that heβs using it.
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
What starts with a 'T', ends with a 'T', and has T in it?
What flies around all day but never goes anywhere?
What language does a billboard speak?