Zemanta is a powerful authoring assistance tool that will save you time, make your blog posts more compelling, boost your discoverability by search engines, increase your content's visibility among syndicators, and inspire you to write more informed posts.
It all starts with simple point & click enrichment of your blog posts in real-time, while you type. Zemanta suggests tags, in-text links, photos, videos, maps, slideshows, and related articles from other bloggers and publishers. It can also be used as a research tool and idea generator.