Say I want to find all tweets that link to a particular blog post, such as this one, and considering that most tweets would actually use URL shorteners, is there a way to find those tweets, taking into account the tweet might contain the original URL or any of the shortened URLs?
How to search Twitter for tweets citing a blog post, correcting for URL shorteners?
twitter;url shortening;firefox
Topsy.com seems to be able to search within URL shorteners.. Your example blog link returned 3 results