I ran across TwitterKeys and found this to be a useful tool. You can add a bookmarklet to your toolbar tha tpops up and shows you how to add and use extended UTF8 characters to your tweets. So instead of saying I have to go fly you could add the airplane logo. This will save some space in texts. Now how that translates to the add-ons clients is to be seen
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Filed under: Add-on Tools, TwitterKeys
