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Has Africa's hi-tech revolution been over-hyped? Or is it on track to boost economies? Lesley Curwen is joined by 鈥楤osun Tijani of the technology space CCHub Nigeria, Robin Miller of Dalberg, who has reported on the impact of the internet in Ghana, Kenya, Nigeria and Senegal, plus Arthur Goldstuck, managing director of World Wide Worx, an independent technology research and strategy organisation and Professor Tim Unwin, Secretary General of the Commonwealth Telecommunications Organisation which works with governments and regulators to promote technology expansion.

Plus comedian Colm O'Regan takes a light-hearted look at how to protect your passwords.

Picture: A man looks at mobile phones in a shop window, Credit: Simon Maina/AFP/Getty Images