“However, the mobile phone revolution continues to leave large parts of the continent behind.
While countries like Kenya, South Africa and much of North Africa are approaching 100% mobile penetration, in Burundi, the Central African Republic, Eritrea, and Rwanda it is less than 30%.
Low incomes, illiteracy and large signal black spots are all obstacles to the sale and use of mobile phones. Taxes, which can be as high as 30% in countries like Tanzania and Uganda, are also a disincentive.
Telecoms experts say that many African markets remain too risky for mobile phone companies, which have targeted more stable and wealthy countries first. “
Millions of Africans are using mobile phones to pay bills, move cash and buy basic everyday items. So why, asks the BBC, has a form of banking that has proved a dead duck in the West been such a hit across the continent?