The IT revolution means Africa "can level the playing field", says Microsoft's Lillian Barnard.
Information technology
Tim Harford
Presenter, 50 Things That Made the Modern Economy
Radio-frequency identification, famously used to bug the US embassy in Moscow, is a cheap way to track objects and data.
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Ana Lucia Gonzalez
BBC News
Who are the world's "microworkers" who make everybody's digital lives possible?
Read moreThe internet wouldn't work without people doing small tasks behind the scenes, so who are they?
Will Smale
Business reporter, BBC News
How technology boss Vik Verma was able to get a visa to emigrate to the US and make a fortune in business.
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