Twitter Search and Trending Topics
Twitter is a large social networking site where users share “what’s happening”. Find out the most popular topics being discussed on Twitter. You can also search for discussions on specific topics.
Go to http://search.twitter.com and use the search box to find discussions on certain topics and see the most popular topics:
Click through any of the “Trending Topics” to see the recent tweets in real time:
In the top right corner, you can also subscribe to the RSS feed for any of the queries you choose (even ones that are not trending):