Excellent piece pulling together theories, making them understandable and relating them to current practice and people. Possibly only missing Lave's concept of peripheral participation and community of practice. I have always assumed an affinity between the idea of a journey from periphery to centre of a community of practice and that journey across a ZPD
1. Create social media tools that help teachers engage students and allow students to reach their potential.
2. Make sure every school in the world has access to them.