Answer:
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
Although my cow is dead, I still beat her. What a racket she makes!
A kind of weather that comes your way, but add a "D" and it will run away
What do you use to hoe a row, slay a foe, and wring with woe?
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has handsΝΎ lacks a head but has a face.
What language does a billboard speak?