incentives like autonomy, mastery, and purpose outweigh the potential of grades as incentives for student motivation
Open Source Learning Tools
This TED talk by Richard Baraniuk outlines an idea of a "knowledge ecosystem" in which users become contributors and producers. Create, Mix, Rip, Burn - basically build upon the ideas of others to make learning bigger, more accessible, culturalized, and personalized. Click here to visit http://openstaxcollege.org where this process began and continues to grow.
Human-Centered Learning 