Where Scrum Gets Dangerous: Potentially Shippable? Make Sure You Mean It

Scrum tells you to build ‘potentially shippable’ changes to your product (let’s call them ‘User Stores’) in fixed-length iterations. By estimating the relative complexity of delivering each of these changes using arbitrary units (let’s call them ‘Story Points’) you can measure how much estimated complexity was turned into ‘potentially shippable’ software over a fixed duration. […]