effectiveness - the act of presenting a Perform or perhaps a bit of songs or other entertainment; "we congratulated him on his performance for the rehearsal"; "an impressed effectiveness of Mozart's C small concerto" Haptic Illusions - Haptic illusions are designed by mixing force cues with geometric cues to https://spencerdseqa.educationalimpactblog.com/57295124/the-5-second-trick-for-illusion-of-kundun-mu-online