Interceder is a mashup, built using...

• Daylife to search through the latest news and display associated metadata such as tone analysis and favicons.
• Open Calais to create semantic metadata and enrich the latest news, video and photo results.
• Freebase to gather further content on the entities returned by Open Calais, such as images and links.
• Yahoo Pipes to pull in the latest stories on the top news sites and return the latest videos and photos for a given search term.