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Vodafone buys Ghana Telecom
The sale of Ghana Telecom to UK firm Vodafone ignites passions in the country
The sale of Ghana Telecom to UK firm Vodafone ignites passions in the country: Professor Luis von Ahn, the man behind CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) explains how the authentication process can be used to transcribe ancient manuscripts: the latest in realistic video games.
蜜芽传媒 World Service Archive
This programme was restored as part of the World Service archive project
