I can help with a few suggestions.
If you wish to describe for me what you're thinking, here are some categories to help you start.
Why 3D for Learning? A larger space for all your ideas ... living together.
We are social ... craving to learn from each other those things naturally hidden from view.
Extremely flexible platform for maximum creativity ... instantly shared
... open to all ... improved through iteration.
Why share the same learning space with many others?