Why I Think the Internet Can Solve Africa's Problems
iafrikan.com
iafrikan.com
Some of them might make a startup and make some money. A lot will immigrate and have a better life elsewhere. That'd be it.
It wont be some kind of Silicon Valley anytime soon (so that it exports technology and services and imports money), and as for providing web services to its own country, sure, but it's not the most basic thing that Africa at large lacks (that's regarding most of Africa, and especially the impoverished countries, not something like South Africa).