Knowledge stewardship. The world's knowledge is growing exponentially, much faster than the tools to aggregate, catalogue, and filter that knowledge. Khan Acad

Knowledge stewardship. The world's knowledge is growing exponentially, much faster than the tools to aggregate, catalogue, and filter that knowledge. Khan Academy is a good start. And Google is, well, Google: you can find what you need, if you ask the right question. We need the 21st century library-teacher-guided learning system.