As described by Academic Commons, "HASTAC is a virtual university. It is a voluntary international network that spans disciplines, institutions, the boundary of higher education and K-12, libraries, museums and other civic and community institutions. It includes top research universities, underfunded community colleges, HBCU's and other minority-serving institutions, as well as supercomputing centers, grid computing centers and major scientific research labs in the U.S. and abroad. HASTAC is pronounced "haystack" and is an acronym for Humanities, Arts, Science and Technology Advanced Collaboratory." There is also a HASTAC Ning network.