The museum provides electronic resources to schools and the public through its national education program, including Artful Connections, real-time video conference tours. The museum maintains seven online research databases with more than 500,000 records, including the Inventories of American Painting and Sculpture that document more than 400,000 artworks in public and private collections worldwide. The museum (since 1951) has maintained a traveling exhibition program; as of 2013, more than 2.5 million visitors have seen the exhibitions.