Ever since the internet came along, our relationship to libraries has changed dramatically. But recent studies show that these institutions—pillars of the OG sharing economy—are still viewed as essential to American communities. So it's fascinating to take a look through the University of Illinois at Urbana-Champaign's collection of posters and propaganda from the American Library Association, an organization founded in 1876 and still going strong in its quest to make libraries—both physical and digital—cultural hubs for learning and leisure.