The point that I read in your GP comment - and that I agree with - is that solutions need to be local: attuned to the local environment, which tends to imply in

The point that I read in your GP comment - and that I agree with - is that solutions need to be local: attuned to the local environment, which tends to imply invented by local people. C.f. Mpesa; westerners generally wouldn't think of payment over SMS, because they don't have the right lenses.