Since its birth in the early days of the Web, the animated GIF image format has become an integral part of the web’s ecology. While they once served a sort of video function in the days before YouTube, today they are more than just documents of nostalgia. As Joshua Kopstein wrote last year, they work as elegant and often hilarious statements, miniature time capsules and sometimes art.But how do you sell one of these little digital files? Hyperallergic’s Hrag Vartanian asked Lauren Cornell, the executive director of Rhizome, who was selling animated GIFs at the New York Armory Show last month.