You Won't Recognize These Celebrities Without Their Signature Look

Mark Zuckerberg

Mark Zuckerberg's signature look was a hooded sweatshirt over a gray T-shirt, and he wore it every single day. Not only did this inspire a whole generation of tech entrepreneurs to dress like slobs, but it also shows that Zuckerberg pays as much attention to his clothes as he does to Facebook's data security.

Nutella was invented during WWII, when an Italian pastry maker mixed hazelnuts into chocolate to extend his chocolate ration.
A "jiffy" is an actual unit of time.
Dentistry is the oldest profession in the world.
Jellyfish can sting even when they're dead.

You Won't Recognize These Celebrities Without Their Signature Look

Mark Zuckerberg

The More You Know