Our guest editor, Mo Ibrahim, played a key role in growing Africa's mobile communications industry and it is now estimated that half of Africa's one billion people own a mobile.

Mo Ibrahim was keen to explore the implications for the continent's media landscape: has the ubiquity of mobile phones reduced the relevance of the traditional media?

He asked Amadou Mahter Ba, co-founder of the African news website allafrica.com, to investigate.

This is a longer version of the broadcast item.

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