 Now, each of the finalists have done their pitch in front of the judges, and the judges are off to deliberate. So it's any time now that we'll have the winner of this year's Africa Prize. But before that, let's remind ourselves of the finalists. There's Esther from Kenya with her crop pest control device, Rory from Ivory Coast with his health care app, Kevin from Kenya as well with his tiles that are made from plastic, and Martin from Uganda and his app to deal with waste collection.