This article looks at the possibility of taking advantage of SMS access in Africa to send requests for articles that would then be phoned back as a spoken version. "The user sends an SMS with the article title to a phone number. A few seconds later, they get a call on their cell phone with a spoken version of the article they requested."
Links
[1] https://www.pambazuka.org/author/contributor
[2] https://www.pambazuka.org/taxonomy/term/3305
[3] https://www.pambazuka.org/article-issue/226
[4] https://www.pambazuka.org/category/ict-media-security
[5] http://www.pambazuka.org/en/category.php/internet/29882