Most agile teams use a form of relative estimation to size their user stories. The term relative estimation comes from the root word relate. This means that, when teams decide how much effort a given user story requires, they are not really thinking in terms of hours or days but rather about the effort involved in relation to other stories they have done in the past, or maybe even stories they are considering right now.

As a ScrumMaster, your job is to remove impediments and facilitate the Scrum process. But how do you know when an impediment exists? The truth is, the discovery of most impediments will not come from your team or Product Owner telling you about them. You will find them because you see them happening.

The Scrum Guide says that the ideal Scrum team size is between 3 and 9 members. Here’s why: think of a team of two people, you and me. I can communicate with you, you can communicate with me. Pretty straight forward, right? Now let’s introduce another person - we’ll call her Kate. Immediately, there are more lines of communication...