For the past year my team has been building and maintaining and application using CQRS with an Event Store as our persistence model. I started gathering requirements for this project last January and the team started development in February. We deployed the first version in June. The first version was the bare minimum the end users needed to stop using Excel for the database and manual... moreFor the past year my team has been building and maintaining and application using CQRS with an Event Store as our persistence model. I started gathering requirements for this project last January and the team started development in February. We deployed the first version in June. The first version was the bare minimum the end users needed to stop using Excel for the database and manual process. After the initial deployment we continued to make further enhancements to put in the “Oops we really need this feature” to the application and usability enhancements to make it even more functional. We are still working on this application today. The business made a radical change in process and now were changing the application to meet the new needs of the view page