Over the past year a clear distinction has evolved between traditional, formal e-learning content, and content that is developed using rapid tools and processes by a broader community of e-learning enthusiasts, including generalist trainers and subject experts. The author has described these as e-learning's two tiers. The top tier consists of e-learning that delivers something special, something that can't be achieved easily in other ways. This tier is reserved for projects with complex and/or high impact objectives, sensible lead times and appropriately generous budgets. The lower tier consists of "good enough" digital content, designed to communicate simple information or provide basic knowledge without fuss. Where this two- tier model fails is that it does not properly integrate with more recent developments in using web 2.0 tools for informal learning.
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