Yahoo has always been running on FreeBSD.Yep, you're right..
Yep, some further Google searching seems to support this, thanks! Matrix Reloaded and Revolutions however appears to have been done on Linux :)
3D animations in the movie Matrix was rendered on a cluster of FreeBSD machines.
It was quite hard to find a list (especially one with recent movies) but I tried to pull it together from various sources, though some are obviously less reliable than others. Primarily I used:
There are probably more non-Linux Unix(like) OS in your examples, but I can't remember every single one of them in my head. You might want to check your sources.
Thanks for the info.
Cheers, Chris