I think there's some curation by the business operator. It's pretty unlikely that overseas residents have a good grasp of the current market offerings. Also I

I think there's some curation by the business operator. It's pretty unlikely that overseas residents have a good grasp of the current market offerings. Also I think it's an interesting case study of the growth and evolution of a business that started very, very small, that's been documented closely by the operator. He even wrote about dealing with cc fraud.