Clark's Four Learning Architectures provide a learning theory rationale for composing a "blended learning" strategy.
Receptive (information acquisition),
Directive (response strengthening),
Guided Discovery (knowledge construction), and
Exploratory (linking to real world tasks and resources).
"Learning today happens everywhere. But it's often difficult to get recognition for skills and achievements gained outside of school. Mozilla's Open Badges project is working to solve that problem, making it easy to issue, earn and display badges across the web. "