In some cases we've been building tools that are specific to Linux for the desktop, and they only work on Linux, but I see two major projects that are wildly, wildly successful: Mozilla and OpenOffice, and those two programs are cross platform.
I couldn't speak Japanese very well, passport regulations were changing, I felt British, and my future was in Britain. And it would also make me eligible for literary awards. But I still think I'm regarded as one of their own in Japan.