Talk Digger is a new way to find, follow and join discussions evolving on the Internet. It is simple. You have in hand the URL of a piece of news of the BBC, a blog post, a product page, or any other web page, and you want to know who is talking abou
New Ajax social bookmark URL(you can see with what tags one have bookmarked you) and tag search. Says it will be adding more social bookmarking query services almost daily.