Other examples include Vikia from the Carnegie Mellon University (CMU) that had a flat-screen monitor, which displayed an animated computer graphics model of a female face. Then followed Valerie, touted as one of the world’s first storytelling roboceptionists with sensors to alert it (she) to the presence of people to whom it would offer assistance and directions. Valerie also spent time on the telephone, imitating a human receptionist. Tank was a later version of Valerie.