Twitter's trying to step up its game with a newly introduced Discovery Engine -- a souped-up search feature coming soon to your Twitter home page. The futuristic-sounding service packs some extra punch into Twitter's existing search functionality and could give the site's Web interface a much needed jolt of energy.
Real-time Twitter search with feelings using insanely complex sentiment analysis. For best results: Search for popular movies, celebrities, tv shows and companies.
Share & discuss any topic with TwinglyTwingly is a powerful group communication and microblogging tool in the era of the realtime web. Share, discuss and have fun with friends, colleagues, strangers and others interested in the same topics as you.
Click at the "TagsInAction" link above to see how TagInAction works!
In the beginning there was the hashtag and the hashtag was all over the web and the web was a hashtag...
...search by geographical location, by language, by date, by attitude (positive, or negative), by search questions asked; create an rss feed of results you'd like to track--or auto-tweet.