This site provides a simple bookmarking service. We follow your twitter feed, and whenever one of your tweets contains URLs, we add them to your delicious.com bookmarks. Optionally, bookmark URLs in @replies to you. We'll even add a delicious tag identifying the sender if you like.
Yammer is opening up its microbogging platform. In "Yammer Community" people may now create a community without the requirement that an email address be associated with a particular domain.
Search for your site URL and the results displayed will un-shorten all shortened links in tweets that link to your site. It does not matter what URL shortening service someone uses when tweeting about your site, BackTweets will resolve all shortened URL’s to display the ones pointing to your site.