I recently saw this piece in Ode Magazine that talked about people from Guatemala providing online language instruction via the internet.
Twice a week, Margo Griffin, who lives in Denver, Colorado, has a one-on-one Spanish lesson with her teacher, Mayra Juárez, who lives miles and miles away, in Antigua, Guatemala. Both attend from the comfort of their homes via the Internet, a webcam and an innovative socially responsible business called Speak Shop.