Nairobi's young using USB to connect
Around five billion people - two thirds of the world's population - still do not have access to a computer or smartphone.
Many people would like access but find themselves on the wrong side of a digital divide that seems too difficult to bridge.
Many charities are trying to help in poorer areas, but now, two entrepreneurs reckon they may have the answer with an idea that funds itself, as Dan Simmons reports at the start of a global campaign.
- From the section Technology