A few reasons: * It's open source so cheaper + no vendor-lockin + it can be built for a wide variety of purposes vs. a monolithic single purpose app. * It's ext

A few reasons: * It's open source so cheaper + no vendor-lockin + it can be built for a wide variety of purposes vs. a monolithic single purpose app. * It's extensible. You'll be able to download a wide variety of Eduglu-compatible apps built either by me or other people/companies. It's geared toward social learning. Where we learn by observing and talking to fellow-learners.