With the development of modern society, people are more and more aware of protecting privacy. We can easily see people, especially famous people love wearing sunglasses. Some think they can enhance outlook by wearing sunglasses. While others wear sunglasses want to look cool or even pretentious. Actually, the truth for bodyguards to wear sunglasses is that they consider means of privacy protection. And also keep mysterious. Sunglasses, specially the mirrored brands, aid a high profile prevent eye-to-eye contact when he desires or has to live living of a typical private citizen.