Bill Gates, co-chair of the Bill and Melinda Gates Foundation, spoke and interacted with students at the Indian Institute of Technology Delhi (IIT Delhi) on Thursday on 'Innovation for Public Good . Over 1,000 people attended live in the Dogra Hall auditorium, and the event was also streamed live on YouTube for students from all IIT campuses . Gates emphasised the importance of new technology in solving persistent health and development concerns, as well as the need for scalable,