Funny, Thought-provoking C.G.P. Grey

I actually have no idea who CGP Grey is. But I've just discovered his fun, funny, and provocative videos, which explain everything from why the penny costs us money to why we love our natural-pesticide beverage (coffee). Great stuff! You can see the lineup on his blog page. But here are a few to get you started:

Death to the Penny

Coffee: Greatest Addiction Ever

There's lots more. I especially liked: 

Daylight Savings Time Explained

Copyright: Forever Less One Day

United Kingdom explained