Klaus Bucka-Lassen discusses the estimation with story points in Scrum. Story points are a different way to estimate features in Scrum. Story points are a measurement of a feature’s size relative to other features and not a measure of the time needed to complete a feature.
Video Producer: http://gotocon.com/
Further reading on Agile estimation
* Story Points: Why are they better than hours?
* Why I Don’t Use Story Points for Sprint Planning
* Transitioning From Time-Based to Relative Estimation
* Stop Using Story Points
* Relative Estimation Communication