Sarcasm increases creativity in any conversation. During this time of enhanced creativity conversation will follow with more mediated abstract thinking and will morph itself across the different conversation avenues of sarcasm. However, conflict will usually arise in such a simulated conversation. When such sarcasm conversation happens in a trusted of group of friends conflict will usually not be a problem. You can see this displayed so well with today stand up comedians. They know their audience and know what material they can use to make jokes or comments about without offending the crowd too much.
Now, it is also stated that sarcasm is the lowest form of wit. Sarcasm needs to contain some element of truth and might be interpreted as criticism or a condemning remark. Giving the well said sarcastic comment a perspective of being impolite. Also, sarcastic comments are very difficult to interpret when sending in an email so be careful when trying to display your creativity intelligence. This would be better done over the phone where your voice can add tone and timing to your conversation. At any rate leave yourself some space to be able to explain the message of what you are saying instead of someone hearing it at face value. You want to avoid the negative interpretation of sarcasm because it could cost you to lose a good relationship.
As with most things moderation is the key. Sarcasm can be fun and exciting with the right intelligent trusted crowd. Most people do enjoy lively conversation and thoughts that buzz their imagination and outlook on life. You can easily become life of the party, or a dazzling party guest. A note to the wise, such remarks take energy to absorb and reflect and does get tiresome. Note the tone and expressions of the folks and take the hint when it is time to curb the comments.
Sarcasm and creative intelligence, I can see the connection! :D