Best invention ever?

Hi there

I asked a friend what was his favourite invention?    I expected him to say the car, or a washing machine.  Or television.

He said, the paper towel.

Uh?

He said he could wipe down benches with a paper towel, then toss it away.  He could blow his nose on a paper towel.  Use it as a serviette?  A plate?  To cover things.  Wrap up his lunch in.  Clean his car's windscreen.  Dry himself, if no fluffy towel was handy.

And my friend went on and on listing dozens of joys of using a paper towel.

Well, I used to think the umbrella was the best invention ever - my own little personal roof whether in sun or rain -  but now I'm having second thoughts about the paper towel...