Asking seriously: How would you pay someone $1 a month, especially to users in third world countries? For that matter, you could you efficiently pay users in

Asking seriously: How would you pay someone $1 a month, especially to users in third world countries? For that matter, you could you efficiently pay users in the United States a dollar month? To try to answer my own question, how about: - give $1 lottery tickets (in a lottery that is well-known and recognized for each country in which you operate) - give $1 credit that allows the user to buy any iPhone or Android app he wants (Is there a way to actually do that?)