When people talk of the many languages of Africa, and need for localized content, they're often thinking about English, French, Kiswalhili, or Xhosa.
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But in the technology space we have our own languages in addition to these. We have languages of hardware and networking, from servers, to routers, to nodes and bridges, to the languages of code, like PHP, Java, and C++.
Thanks to Jonathan Gosier, we now know the popularity of each programming language in Africa with this handy chart: