In 2015, Khan Academy, which pioneered free, online video tutorials and lectures that have reached millions of students around the world, sought new ways of reaching new people.
Here is a NPR interview with Salman Kahn discussing how video lectures and tutorials can combine with project based learning activities. Kahn is exploring a Montesori 2.0 approach to solving real world problems in the Kahn lab school.Kahn imagines a classroom with mixed ages with students learning through play and exploration, and sharing best practices in learning with the rest of the world. The video lectures and tutorials are on demand as learners work through real world problems.