"The research says 65 percent of grade school kids are going to be working in careers that don't exist today," Justin Steele, head of Google's U.S. philanthropy arm, said at Wednesday’s event. "It's important for these kids to learn the skills of tomorrow. We don't know exactly what these jobs will look like, but we know that the skills they're going to learn in coding — analytical thinking, creative problem solving — are critical to the future."