We have to make machines understand what they're doing, or they won't be able to come back and say, 'Why did you do that?
Machines need to talk easily to one another in order to better serve people.
We've been working now with computers and education for 30 years, computers in developing countries for 20 years, and trying to make low-cost machines for 10 years. This is not a sudden turn down the road.
We really believe we can really make literally hundreds of millions of these machines around the world,