HASTAC (Humanities, Arts, Science and Technology Alliance and Collaboratory, pronounced "haystack") is a virtual organization of more than 14,000 individuals and institutions dedicated to innovative new modes of learning and research in higher education, K-12, and lifelong learning. HASTAC network members contribute to the community by sharing work and ideas with others via the open-access website, by hosting HASTAC conferences and workshops online or in their region, by initiating conversations, or by working collaboratively with others in the HASTAC network.