A smile can change the course of a conversation, the nature of a talk. Facebook, while being one of the major social networking sites in the world, also provides chat facilities and smileys are one of the most important aspects of FB chats. Facebook chat emoticons are the best thing that is closest to a perfect smile, because a perfect smile can change the nature of a conversation. While conversing, it is necessary to smile because that way a conversation is informal and friendly. Facebook emoticons can be called perfect because the way they are represented graphically, they are almost identical with real life smile. Hence they can be defined as the perfect smile in the virtual world.
Facebook emoticons are perfect in the sense that during the nature of communication via Facebook, an emoticon can actually make the conversation seem like you are talking to someone in life one where emoticons are needed to lighten up things between two people engaged in a conversation. Just as a perfect smile makes a conversation even more interesting and friendly, using a perfect emoticons during Facebook chats makes a conversation similarly interesting and informal, making the whole social networking dream come true.