bob geldof has been involved for years in raising funds and awareness for african nations. he spoke to me earlier about the change sweeping across the continent driven by advances in technology. >> one of the great african leaders, the super diplomat of the world, now dealing with syria. i was with him here two days ago at the forum. and, you know, he called it the willbercom moment, where the world decided to just stop the poorest countries paying back this unnecessary debt payments. of course, we're all trying to stop debt repayments in the united states and europe to try to get our economies going. but that was the moment of kickoff. that increased aid. chinese investment. and really critically mobile connectivity. when africans began to be able to connect with each other, you saw the difference in north africa, politically the difference it made. but the difference in terms of business, farmers out in the boondocks being able to talk to the markets and realize they're growing too much wheat, that they need to grow a different crop, the difference this has made is profou