South Korea ne Seoul mein crime control ke liye life-sized holographic police officers launch kar diye. Ye 170 cm uniformed holograms shaam 7 se 10 baje Jodong Park mein nazar aate hain, pre-recorded security messages dete hain. UK firm Hologramica ki tech se banay gaye, project ke baad crimes 22% kam hua. Authorities expansion ka plan bana rahi hain.