I got a message from an old colleague today with a link to a wiki page on Poker Planning and a question: “Why didn’t we do this?”
My initial reaction was that we did, we did it for years but after consideration I realised he was right – by the time he’d started working with us we had stopped using poker planning to estimate – or at least we only used it when we really needed it. So why stop? Did we lose our discipline?
The Scrum approach
Poker planning is a great way of using the wisdom of crowds to estimate stories. Points rather than days are normally used to keep the estimation abstract and these points are then tracked to calculate a team’s velocity to allow for capacity planning. In our early days of agile experimentation we followed the Scrum dogma quite rigidly – the team would gather together and examine features and help break them down to stories and then use planning poker to come up with an estimate, then the Product Owner would come along and select the stories he wanted the team to work on. More than once he commented on how he felt he was given the ‘illusion of choice’ whereby due to story size, team capacity and soft dependencies his options to select and order the backlog were severely limited.
This approach lead to us having a ‘well-groomed’ backlog but many of the groomed and estimated stories would languish in the backlog for a long period of time as small tokens of time wasted; growing stale and decreasing the signal to noise ratio. Furthermore, production bugs sat in their own backlog, prioritised separately and largely ignored by a product owner focused on building ‘the new’ and a team attempting to maintain its velocity.
A Product Owner’s role is to generate the maximum ROI through picking the stories which return the most business value for the amount of effort expended, however, the reality is often far more subtle than this; while each feature or story is technically an independent release of business value, more often than not each feature and story is part of a much bigger picture and really needs to be played in a specific order that the team understands. Backlog grooming, planning poker and sprint-stacking can become a transactional (rather than collaborative) affair leading to a poorly maintained and planned product.
Continuous deployment and a high-performing team
By the time the aforementioned colleague had joined the team we had restructured our approach. The Product Owner was embedded in the team, story and feature selection had become collaborative; there was no formal backlog grooming and commitments were agreed by small teams based upon the entire team having an in-depth understanding of both the business benefits of each feature and the estimated effort.
The roadmap was understood by the whole team and any up and coming work had either been spiked already or been analysed by the engineers and collaborated on (with UX and BA’s as necessary).
Furthermore, specialisation was respected and ownership of components encouraged: while we all love full-stack engineers, in a small team the reality is you may only have one real JS expert, one back-end expert and one HTML/CSS expert. Working on a maximum of one week iterations and with your definition of done as “released to production”, the abstraction of poker-planning-driven velocity becomes irrelevant – it’s easier for the team to work out what they can achieve in that sprint that week, estimating by days if necessary. With the onus on quality and user experience, fixing production bugs is treated as a priority and will often need to be prioritised at short notice which will impact deliverables so focusing on hard, velocity-based commitments can encourage a compromise on product quality.
So why did we stop Poker Planning?
When a product is well-established and development is lean and iterative, the team should be in control of its own destiny, understanding the vision and goals of the business and driving towards those goals with a roadmap for guidance if necessary. With the product owner embedded as part of the team and in constant collaboration with his team members the need for poker and velocity based capacity planning becomes irrelevant and the one important question becomes: “What can you (or even better, ‘we’) commit to delivering to production this week”.
With good stakeholders (or good stakeholder management) the sponsors will ask “what goals or improvements have we achieved” rather than “how many features did we complete”. With code being released to production on a weekly (or daily) basis the transparency that this approach delivers encourages trust between stakeholders, product owners and the delivery team, and negates the need for the transactional approach of poker planning, sprint stacking and velocity tracking.