A consortium of humanists, artists, scientists, and engineers, of leading researchers and nonprofit research institutions, HASTAC ("Haystack") is committed to new forms of collaboration across communities and disciplines fostered by creative uses of technology. Our primary members are universities, supercomputing centers, grid and teragrid associations, humanities institutes, museums, libraries, and other civic institutions. Since 2003, we have been developing tools for multimedia archiving and social interaction, gaming environments for teaching, innovative educational programs in information science and information studies, virtual museums, and other digital projects.