Is it not been live for months already? (Score 2, Insightful)

I have been using this service for over half a year now, as long as it is integrated in my Firefox toolbar (The way I found out). What is the fuzz about it? Why is it on /.? Actually is it really helpfull to find the 'meaningfull' papers (# of citations) in most subjects as a starting point for research. But it cannot beat to search through, and compare references of papers in a subject.