1. Crowdsourced, context-aware OpenCourseWare
CourseShare
Crowdsourced, context-aware OpenCourseWare

2. “Yale has spent $30,000 to $40,000 for each course it puts online”
Absurd, isn’t it?

3. 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

4. New: Not Quite Videos +

5. Advantages Size Skimmable 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

6. Workflow Record Onto local storage Upload Onto server Login
Re-encoding
Playback
From server
HTML5 client

7. Authentication

8. Authentication

9. Recording Application lifecycle Device management
Background processes, recording and device management
Device management
Locks on cameras, etc.

10. Playback

11. Gapless HTML5 Playback

12. Future Multiple perspectives in one timeline Video? Autofill location
Social networking

13. Future