The two SO urls that rank above the efreedom url are for different questions. The identical SO link (http://stackoverflow.com/questions/3977343/nstoolbar-on-bott...) doesn't seem to show up in the results at all.

Two SO links on the first page above any efreedom urls is a positive thing, but even so, if content is apparently considered good enough to make it to the first page, it should come from the original source rather than a scraper.

Yes, but 2 things.

1. The SO results shown don't address the query I submitted as well as the efreedom one does.

2. Why doesn't the stackoverflow article that is being duped show in the results?