[pessimizer]

If you live in a medium sized city, probably within the hour and within walking distance of your house, an African person walked into a store covered in colorful signs advertising phone cards, cheap plane fares and bus tickets, and sent half of their week's paycheck to their family somewhere in Africa.

This is not only not a mystery, but common, and individual remittances from emigrant relatives are a major consideration in the economies of some underdeveloped countries.