Our premise is that Twitter is an amazing place to get human-filtered, socially-relevant content but there's a lot of noise. As of right now, our articles are just listed in reverse chronological order by tweet time, so there's not too much of a relevancy engine in place. However, we want the app to be as relevant as possible.

Basically, we don't have much relevancy secret sauce yet - but we're looking to develop some soon. :)