Mentionmap - A Twitter Visualization : 「Quickly find relevant people to follow! Use Mentionmap to see Twitter conversations as a network and click any user to explore.」
Tinker でみんなの話題をおいかけよう! : 「Tinker helps you stay on top of your favorite events by showing you the latest buzz from Twitter and across the social web.」 http://jp.glammedia.com/about/news090929.html Twitterとかソーシャルサイトから話題を抜き出す