Zemanta is a WordPress is a plugin which works on WordPress MoveableType Drupal and Joomla. It can also be installed on Firefox Chrome or IE web browser. One of the best reasons to use Zemanta is to help you with your link building. As you are writing your post Zemanta will suggest content which relates to what you are writing which is already indexed. This is helpful if you want to link to some content related to your post. Zemanta will also pictures that relate to your post that you might want to embed. The plugin will also recommend popular keywords that you can include in your posts. The idea is that in the end you will be getting more traffic because you have more related keywords interesting pictures and links in your post. It should increase the time visitors remain on your post as well since your posts will be more engaging. Zemanta can also be an excellent link building tool. As I write my post Zemanta is suggesting related links that perhaps I should include in my post. However nothing is stopping me from contacting the blog owner and exchanging links or even for me to put a relevant comment on his blog with a link back to my post. Zemanta usually highlights the higher traffic more authority articles so this is a good place to start in your link building campaign.