Just for fun, I've modified my News Spectrum application to take data from Twitter instead. Its called Twitter Spectrum of course ! It uses the wonderful Summize which provides excellent search capability for Twitter data.
As before, one topic is coloured blue, the other red, and the associated words are coloured and positioned based on how highly they are associated with the two topics. Click on any word to see the related tweets. Give Twitter Spectrum a try ! As always, feedback is welcome.
Twitter Spectrum (static image)