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Hackathon produces most useful Twitter app yet – a game of 'trumps'
May 11, 2010
Steve O'Hear
<img src="http://eu.beta.techcrunch.com/wp-content/uploads/tweettrumps.jpg" alt="" title="tweettrumps" width="249" height="52" class="shot" />Who says nothing useful ever comes of a hackathon? Enter <