Greatest Invention Ever

I know someone else prob said this already. But I am going with language. I did see some comments on T.P., My comment to that is that I can rember going to my great grandparents house. They still had an outhouse (ok i'm old as dirt). They used "corncob's". My great grandfather could not see buying paper just so you could wipe your a**. They had a farm. And corncob's were readly available. Old dried-up corncob's.

Coal Power

cause it started Industrialization

and ever since Industrialization was ushered man's advancement have been multiplied ten fold.

Shocking... four whole pages and no-one's yet come up with

Contraception women can rely on

Changed the world, y'know.