Sentence:  There is the local angle - if you are one of the desperate spruikers who interpreted Kim Clijsters' twittering "Happy Australia Day to all my Aussie <WSD>tweethearts</WSD>" as an indication her heart beats green and gold, even if her dress was only a half-hearted green. 
Meaning of the word marked with <WSD> tags:  A Twitter user who is one's personal friend or within one's broader social networking circle.