> This is one of those USA-vs-everyone-else things. I don't think it's quite that simple. I was recently with a European friend who had ordered some prints, a

> This is one of those USA-vs-everyone-else things. I don't think it's quite that simple. I was recently with a European friend who had ordered some prints, and she told the front counter she'd ordered A3 size. She knew that the prints she wanted were much smaller than a regular A4 page, and of course 3 is a smaller number than 4, so logically her small prints must be 'A3' size...