Answer:
Your computer\'s version of white-out.
The profession of Jimi Hendrix and Eric Clapton
There is an ancient invention still used in some parts of the world today that allows people to see through walls. What is it?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
It could make arrows fly and kites soar. What is it?
It is something you will never see again.