People enjoy the interaction on the Internet, and the feeling of belonging to a group that does something interesting: that's how some software projects are born.
Helsinki isn't all that bad. It's a very nice city, and it's cold really only in wintertime.
I don't see myself as a visionary at all.
You won't get sued for anticompetitive behavior.
Hey, I'm a good software engineer, but I'm not exactly known for my fashion sense. White socks and sandals don't translate to 'good design sense'.
Once you start thinking more about where you want to be than about making the best product, you're screwed.