Facebook is one of the most popular social networking site the world.There are many smiley in face book chat conversation message to be used.Here is the list of some popular smiley codes to use in facebook chat.check out this image and their code just write the symbol you will get the smiley.
facebook-smileys
There are may tricks in facebook chat.Very few people know that you can use even bold fonts or underlined fonts in facebook chat. To use bold fonts type your message between two asterisks.
e.g. *message*
To type underlined messages type your message between two underscores.
e.g. _message_
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