http://motherboard.vice.com/blog/one-womans-quest-to-bring-bitcoin-to-botswana

Spotted this in Reddit, and in 4h she already has over 1.7BTC in donations.  It is always amazing to see how frictionless this thing is; some woman in point of Africa gets a quite nice sum of money from all around the world in few hours. Quite nice

The address she was promoting:
https://blockchain.info/address/12b1DiJs7FpzGHtjhPnpZBfK6Tn9LvWrVv