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Tech chiefs are finding a wealth of expertise in neglected middle America
Co-founder of AOL among technologists entering social missions
The heart of US politics is increasingly alert to the influence of technology
In Baltimore with the billionaire co-founder of AOL, on a mission to back US entrepreneurs
A paradox lies behind President Obama’s visit to a Nairobi start-up summit, says Stephan Chambers
Helping children to master the art of assessing risk is vital, writes Brent Hoberman
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