backtweets – Search for Links On Twitter
http://backtweets.com/

BackTweets is a twitter time machine which enables you to search through a tweet history for tweets that link back to your site. As a free web app, BackTweets lets you search through a tweet archive for URLs sent via twitter. URLs are found regardless of the form they were tweeted in and include: full URL links, shortened URLs and URLs without the WWW prefix. BackTweets is a great tool for tracking your social media pulse- see how many people are talking about you, who is talking about you, and what they are saying. This will be added to Social Informatics Subject Tracer™. This will be added to Entrepreneurial Resources Subject Tracer™. This has been added to the tools section of Research Resources Subject Tracer™.