The New York Public Library’s Biblion: World’s Fair app puts the wonder of the 1939-1940 World’s Fair on your iPad. Through the app you can view images, videos, and documents all about the World’s Fair. All of the media in the app is arranged into thematic stories. These stories showcase the innovations that were on display in 1940 as well as the predictions for the future. Plenty of historical context is provided through the stories to help readers understand why the innovations on display were significant.