Instagram

One of the most popular Instagram accounts belongs to National Geographic, with submissions from the best nature and wildlife photographers on the planet. 

New technology meets America’s pastime in sports photographer Brad Mangin’s new book: Instant Baseball: The Baseball Instagrams of Brad Mangin. As he tells Mark Heyne, he spent the entire 2012 baseball season, from spring training through the World Series, photographing the game and the players with Instagram on his iPhone4s, not his usual Canon cameras.