For me it’d be Don’t Even Reply: E-Mails from an Asshole.

Bunch of funny ones. Like someone offered a ride in a Prius for a long car trip between cities, he said he’d have to stop at a river to pour out some motor oil because he doesn’t support the environment and had to make up for the environmental damage the Prius wasn’t doing.

Elon Musk. Without him, electric cars wouldn’t be the almost-mainstream thing they are today. We also would be a decade behind on space launch.

//Edit - for everyone down voting me, you may hate the guy today but that doesn’t mean he hasn’t done some useful shit.