Seven B-I-L-L-I-O-N. For you “I’m-not-a-numbers-person” people, that’s seven with nine zeros behind it. The estimated number of humans alive as of October 31, 2011. And by the time you read this, there’s more. A bunch more.
…Aaand cue the video. (A nice piece of information design itself, care of the always-insightful NPR.)