Welcome to "Silicon Mountain," Africa's next tech hub



It’s not the Apple Store… cheap smartphones on the streets of Africa are fuelling the fastest-growing telecoms market in the world. Africans are expected to buy 500 million smartphones in the next five years - and that is expected to fuel a boom in software developed by Africans, for Africans - but also for the world. We went to meet Observers Alain Nteff and Churchill Nanjé in Cameroon.

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