As Africa transitions from the margins to the mainstream of the global economy, technology is playing an increasingly significant role. Bolstering regional trends in business, investment and modernization is the emergence of an IT ecosystem – a growing patchwork of entrepreneurs, tech ventures and innovation centres coalescing from country to country. Nigeria is a hotbed for start-up activity. Facebook, Netflix and SAP have recently expanded in Africa. And Silicon Valley investment is funnelling into ventures from South Africa to Kenya.
https://www.weforum.org/agenda/2016/05/a-brief-history-of-africa-s-tech-industry-and-7-predictions-for-its-future