7 Billion and Counting...

National Geographic Magazine introduces a new App for the iPad, "7 Billion: How Your World Will Change," to mark the world population reaching...you guessed it, 7 billion. App includes interactive maps, videos, articles, and photography. Among the topics included in the app are "Food Ark," "Rift in Paradise," "Birth of a New Brazil," and the "Acid Sea." The FREE app coincides with the year-long editorial series featured on NGM: http://ngm.nationalgeographic.com/7-billion