The 4 millionth volume was added to the library collection in 2009. On April 20, 2009, University Dining, partnered with the department of food science and D. H. Hill Library, opened the Creamery ice cream shop in the West Wing. During the summer of 2011, further renovations to the West Wing transformed an area formerly housing print periodicals into over 13,600 feet of study space, also allowing trials with the new furnishings and technology to be installed in the Hunt Library. A lounge area by the Creamery became the Technology Sandbox, with whiteboards, gaming stations, writable glass walls and interactive tables. A large portion of an area where print periodicals were previously located became a glass-enclosed silent reading room with 70 seats for individual study, marble-topped tables and power outlets; the area overlooks an outdoor terrace. The terrace had been built in 1954 when the West Wing was the Erdahl-Cloyd Student Union. Frequently used for dances; it fell into disuse after the student union moved to the Talley Student Center in 1972, remaining vacant for decades. In the summer of 2011, the terrace was repaired and modernized; the original exterior glass wall separating the new reading room from the terrace was replaced with energy-efficient glass, allowing views of the Brickyard from the reading room. Umbrella-topped tables and colourful lounge chairs providing seating for 70 were installed, along with power outlets and a new railing.