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CourseShare. Crowdsourced , context-aware OpenCourseWare. “Yale has spent $30,000 to $40,000 for each course it puts online”. Absurd, isn’t it? http:// www.nytimes.com/2010/04/18/education/edlife/18open-t.html?pagewanted=all. New: Student-Sourcing. Cost
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CourseShare Crowdsourced, context-aware OpenCourseWare
“Yale has spent $30,000 to $40,000 for each course it puts online” Absurd, isn’t it? http://www.nytimes.com/2010/04/18/education/edlife/18open-t.html?pagewanted=all
New: Student-Sourcing • Cost • “with more than $14 million going to M.I.T…Only 33 of the 1,975 courses posted by M.I.T. have videos of lectures” • Speed of availability • “I want to be able to review the courses I miss due to job interviews” • Multiple sources • Better angles, better sound
Advantages • Size • Video: 500 kbit/s • 75 minute lecture: 275 MB • Photo: 0.4 MB for a 2048x1536 • 100 slides (already a lot): 40 MB • Audio: 64 kbit/s • 75 minute lecture: 35 MB • Skimmable
Recording • Application lifecycle • Background processes, recording and device management • Device management • Locks on cameras, etc.
Future • Multiple perspectives in one timeline • Video? • Autofilllocation • Social networking