Zemanta

Zemanta is a semantic content suggestion system designed and used for enriching user-created web content such as blog posts and emails. It combines natural language processing and semantic search while analyzing the user-generated content. As the result of a successful analyze Zemanta suggests pictures, tags, links to some related articles and in-text links. Zemanta benefits from the contents of popular social sites such as Wikipedia, Youtube, IMDB, Amazon.com, Flickr, Myspace, Twitter, Facebook and Google Maps to produce suggestions. For example, you can add images into your post from Flickr, can give Google Map links for place names by single clicks. It is very interesting and entertaining tool i think. You can try it from here. Also, you can use it as a Firefox, Chrome or IE extension