Differences between Waterfall, Iterative Waterfall, Scrum and Lean Software Development (In Pictures!) | The Agilista PM | Agile Software Development | Scoop.it
This simple overview of the different Agile-Lean methods found was too great to not share.  Sometimes it is best to keep it simple to build a foundational (RT @BBL_PMO: Waterfall? Agile? Unsure what it's it all about?