Travelers passing through security lines at the U.K.'s Luton Airport will now be greeted by two smiling, photogenic faces -- belonging to holographic announcers. According to the BBC, Luton is the world's first airport to introduce holographic staff members
, as part of an experimental program designed to streamline the screening process and enhance traveler experience. The two holograms are designed to make announcements and provide simple instructions on Luton's security procedure, but the airport's managing director promises that the duo won't replace real airport workers anytime soon. Oh, and one hologram is named Holly. The other's name is Graham. Get it? Holly, Graham -- Hologram!