. >> stephen: some of the tbhings you are shooting for are polio, ma laira, we've got these things on the rope? >> polio was down to 250 cases last year. >> stephen: in the world? >> in the entire world. [cheers and applause] so in the next six years it will be zero and become the second disease to ever be eradicated. [cheers and applause] >> stephen: do you think the fact that your skill set or the thing you made your fortune on is information technology, do you think information can make a huge difference in the way we help people? or is data as important as passion? >> i think passion is probably the most important. but backing great scientists who have good ideas. in this case it's people inventing vaccines or ways of getting organized to get them delivered out to everybody. data is part of that to see where we're doing well, where we're not doing well. if we can really track the money and see the results, then we get a lot smarter as we go along. >> stephen: here is the problem i have with this is that if you track the data, see where you are doing well and where you don't do wel