Solution
JargonFish
Add depth and value to your blog with the in-text widget from JargonFish. The JargonFish application highlights keywords on your blog. When visitors click on those uniquely highlighted keywords, a small JargonFish window is launched providing the visitor access to related blog posts and content from leading Internet publ...
SezWho
SezWho is a universal profile service for the social web. For blogs, SezWho provides access to universal profile that shows the activity stream of commenters and post authors across the social web along with their aggregate reputation scores from web-wide interactions. These rich profiles make it easy for blog users to f...
Sphere
Sphere (owned by AOL) connects your current articles to contextually relevant content from your archives as well as from Blog Posts, Media Articles, Video, Photos, and Ads from across the Web.
Snap
Snap Shots uses your links to bring the most appropriate information about the sites you're pointing to. Your audience doesn't even have to leave your site to get the best of other sites. Activate keywords in your blog that will link to related content from such sources as Wikipedia, Amazon, and Google Maps.
Zemanta
Zemanta helps you automatically identify related content to your blog post while you still in the writing stage.
Loomia
Loomia provides a service that automatically displays related content that is recommended by your friends across social networks.
