We all know that the world welcomed its seven-billionth person last week. But what does it all mean? How big is the number 7 billion? And what number are you?

Here is a great video from National Geographic that puts the number of 7 billion people in to perspective.


Want to know what number you are in the 7 billion? Check out this link to find out! I'm 3,397,758,895. Great, I guess I really am just a number...

Watch and learn. I love these kind of videos!

[via Wired]