Sentence:  Taylor Lukacin wants to help you find your “<WSD>tweetheart</WSD>”. This afternoon (May 7), the 20-year-old, White Rock-born blogger will give a talk at the 2010 Northern Voice conference that she's calling "Social Media Flirting 101". 
Meaning of the word marked with <WSD> tags:  A Twitter user with whom one is infatuated or involved romantically, especially if they were first met through the service.