@CNN: For centuries, many in Africa have overcome financial exclusion through tontines, a peer-to-peer savings circle. Now, a new start-up is trying to take tontines into the digital age, using mobile technology in Senegal. https://t.co/EX5pUpzNSb https://t.co/v4NbJLsSU5

@CNN: For centuries, many in Africa have overcome financial exclusion through tontines, a peer-to-peer savings circle. Now, a new start-up is trying to take tontines into the digital age, using mobile technology in Senegal. https://t.co/EX5pUpzNSb https://t.co/v4NbJLsSU5