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Continue to ChatGoogle Wave - A case study in 21st Century User Assistance https://www.cherryleaf.com/2009/10/google-wave-a-case-study-in-21st-century-user-assistance/
Google Wave - A case study in 21st Century User Assistance https://www.cherryleaf.com/2009/10/google-wave-a-case-study-in-21st-century-user-assistance/