QUESTION:  
It’s estimated that nearly half of all people 20 years old and younger have never purchased one of these; what is it?

 
You can buy one with change - for less than a dollar 

ANSWER:
It’s estimated that nearly half of all people 20 years old and younger have never purchased a postage stamp!      

Congratulations to Kim Gardner of Fountain City, IN for being the first to answer the Impossible Question!