There's a thing called mastitis, which is a disease of the udder. Part of the cluster is some of the scientists are in New Zealand, some are in the U.S., and some of them are in Europe, and with the magic of the Internet and everything now, they could quickly transfer this knowledge back and forth. I think that's one way they keep up on what's going on.
There are many professorships where they exchange professors and they learn on the job when they're in another country. There's nothing better than hands-on in another country to learn that what you're doing here is normal here but it's not normal everywhere.
When you get to see that up close and personal through these types of programs, I think it really does help you not only export your knowledge but import, as was said, the knowledge so that you get the best of all worlds.