A look at the world in numbers

4

The number of barrels of water it takes to brew one barrel of beer

8

Percent of New York City’s three million registered Democrats that voted in a Sept. 29, 2009 primary election

15

Million dollars, the cost to the city of staging the election

22

Percent chance of a high school basketball player earning a college basketball scholarship if they can jump and touch a mark 128 inches off the ground

33

Percent chance of earning a scholarship if a player can touch 130 inches (it rises to 90 percent at 140)

108

Number of people employed by Twitter, the social networking site that has generated $155 million in revenue since launching in 2006

58

Million, the number of Twitter users

Sources: http://www.NPR.org; New York Times; Sparq Training; BusinessWeek