Senegal’s corner shops go digital to track trade

Corner shops, markets and street traders are still the traditional way most Senegalese do their shopping, but micro-businesses are turning to digital means of tracking clients in the west African nation's informal economy. 

Amadou Bawol Bah, like many owners of the corner "boutiques" in Senegal, used to have a large ledger he filled in each day with purchases and credit offered to his customers.