We don't have that in North-America and many North-Americans never leave their continent. Even Canada and the USA look pretty similar. So I think that's where the Cultural part of the exchanges would suffer.
Originally Posted by Ian Grant
Although I'm in my first round BPX, I would prefer to keep it worldwide. One can also adjust the print size a bit if cost is a concern; send a smaller print if it has to go far. It's not about size. Personally I don't mind sending a print to the other end of the world. Hobbies cost money and I'm ok with that. But I can understand that it may be different for others so Chris' suggestion that people can discreetly indicate if they prefer to ship "locally" is fine with me.