CLIENTS & INDUSTRY EXPERIENCES - With more than 15 million products at launch, akademika.no was by far the biggest drupal commerce site in the history of humanity. This was 4 years ago. Today the number of products they can have for sale has passed 22 million. In one day we process between 150K and 1M product updates. And not only that, but the same codebase now powers 3 different sites. In this session we will look at some of the unique aspects of a project like this. A large number of entities might be one thing. At the same time we have the continuous development cycle with high expectations to tailor made functionality. And everything developed always needing to work in a large scale, and on several sites. This session is meant as an inspiration, a showcase and to highlight some interesting examples around building unique, tailor made solutions with interesting problems.