Short Answer: No Idea
Long Answer: Nooooooo iiiiideeeeaaaaa
Not really clearly defined. I think of devops as movement towards people being informed and incontrol.
Agile System Administration / Agile Operations
More day to day documentation in code repo
Continuous Integration Builds
If you needed to find out how valdes was doing how would you?
Staging and Prod are not super different, but are different.