Online marketplace for student housing connects students, interns, and professionals with local hosts, roommates, and room providers HERNDON, Va., April 15, 2019-- The Center for Innovative Technology (CIT) today announced that CIT GAP Funds has invested in Arlington, Va.-based 4stay, an online marketplace for student housing that connects students, interns, and professionals with local hosts, roommates, and room providers. 4stay plans to use this investment from CIT to support their sales and marketing efforts, as well as to accelerate their product development.