What is silobreaker ??
Well, "Silobreaker is an online search service for news and current events that delivers meaning and relevance beyond traditional search and aggregation engines. Its relational analysis and explanatory graphics provide users with unparalleled contextual insight into the news stories of the day." read on
For a more detailed overview and informative demo from silobreaker's CEO, see this video:-
Source, the silobreaker blog of course.
I've only scratched the surface of silobreaker but this is a "MUST GO AND CHECK OUT" news search engine.
Hat-tip (again) to Alan Cann.