Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
I am a cocksucker. I have nothing better to do with my time except put pages up for speedy deletion because I am a sad nerd. I have no girlfriend, and will probably remain celibate my entire life because I have numerous spots, and acne that makes my face appear like a cheesegrater.