What is the GREATEST invention?

Basically, in your opinion, what is the greatest intention ever. What could you not posibly live without? I guess it would be hard to put only one...so put as many as you want.

here are a few of mine...

1. Microwave
2. Internet
3. Liquid KY jelly :thumbsup:

What about you guys?

GHD straighteners



Genius

the wheel
electricity
paper
lunatic asylums
religion
kinky sex :thumbsup:

the Spork is by far the best invention.:thumbsup:
sporks are very usful

1. The neucular bomb.
2. Marijuana prohibition.:thumbsup:

THE RICE COOKER!!!!!!!!!!!!!!!!!!!!!!!!!!!

The morning after pill

Music

Internet

1.grow lights ..for indoor growing of our favorite goodies
2.the electric guitar...
3.the motorcycle.
4.the waterbed.
5.brick oven pizza

ice cube maker

internet

pocketportable blowjob kit

toilet

and what needs to be invented "toilet seat heater"