What's the deal with Great Britain—er, the United Kingdom—er, England having three different names? Fear not! C.G.P. Grey explains quickly and with easy-to-understand graphics. This YouTube channel covers everything from the origin of coffee, to why the penny should be killed off, to what it takes to become the Pope. And each lesson takes just five minutes to learn.
Seriously, if you're going to waste your day on YouTube, you might as well learn something. Youtube.com/CGPGrey