Secrets of Scrum Success

Talk by Alan Atlas at the Rochester Institute of Technology.  The talk analyzes scrum using the seven principles of Lean software development. At the end,  it proposed that the root of why scrum works is contained in these things:
* One-piece flow
* Self-organizing teams
* Tight feedback loops
* Transparency

http://sse.se.rit.edu/programs/vise/videos/alanatlas

Reference blog post